Frasco IncNewSurveillance Investigator Frasco IncSurveillance InvestigatorAlexandria, VA$20–$26 / hourCheck out our YouTube channel to learn more about what a day-in-the-life of a surveillance investigator at Frasco looks like: Frasco, Inc | YouTube Channel . Minimum Auto Insurance Coverage: $100,000 per person, $300,000 per accident bodily injury, and $50,000 property damage.
Falken Industries LLCNewConstruction Surveillance Technician Falken Industries LLCConstruction Surveillance TechnicianManassas, VA$42–$45 / hourDescription:The CST will monitor, observe, and interact with the construction workers as they accomplish their various tasks to preclude the introduction of electronic, electrical, mechanical, or any other type of hostile surveillance monitoring devices into finished construction. You will exercise knowledge of Technical Surveillance Countermeasures, construction principles, and the types of devices used by hostile and friendly intelligence services for the purpose of clandestine surveillance.
Allied UniversalNewSurveillance Investigator Allied UniversalSurveillance InvestigatorManassas, Virginia
The MASY GroupCI SME Surveillance Instructor - Senior The MASY GroupCI SME Surveillance Instructor - SeniorQuantico, VAIn your role as the CI SME/Instructor - Surveillance, you will support the Joint Counterintelligence Training Activity (JCITA) by delivering classroom and field instruction that provides Counterintelligence (CI) Agents the knowledge and skills to plan, conduct, and debrief discreet CI surveillance operations in support of CI missions. The MASY Group is a growing Nunn Perry award-winning government service company providing intelligence analysis, educational services, and operational support to federal agencies like the Department of Defense and Intelligence Community.
The MASY GroupCI SME Surveillance Instructor - Mid The MASY GroupCI SME Surveillance Instructor - MidQuantico, VAIn your role as the CI SME/Instructor - Surveillance, you will support the Joint Counterintelligence Training Activity (JCITA) by delivering classroom and field instruction that provides Counterintelligence (CI) Agents the knowledge and skills to plan, conduct, and debrief discreet CI surveillance operations in support of CI missions. The MASY Group is a growing Nunn Perry award-winning government service company providing intelligence analysis, educational services, and operational support to federal agencies like the Department of Defense and Intelligence Community.
EXECUTIVE PERSONNEL SERVICES INCNIH Quality Assurance/Surveillance EXECUTIVE PERSONNEL SERVICES INCNIH Quality Assurance/SurveillanceBethesda, MD$18–$20 / hourJob Summary: We are seeking a reliable and observant Security Guard Surveillance Representative to conduct site visits and inspections at various client locations. Key Responsibilities: · Conduct scheduled and random site visits to ensure security guards are present and on duty.
IDS International Government Services LLCConstruction Surveillance Technician TS/SCI IDS International Government Services LLCConstruction Surveillance Technician TS/SCIwashington, DCMust have a minimum of three (3) years of experience in the construction industry with knowledge of two (2) or more of the following disciplines: Carpentry (rough-in, finish), Electricity, Plumbing, HVAC, Sheet Metal Welding, Dry Wall Masonry. Combining operational expertise with an intimate understanding of today's greatest challenges, we bring our customers the solutions required for success in a complex and multidimensional world.
IDS InternationalConstruction Surveillance Technician (CST) | Top Secret IDS InternationalConstruction Surveillance Technician (CST) | Top SecretAnnapolis Junction, MDFull timeThe Construction Surveillance Technician (CST) supports secure construction operations by conducting surveillance activities to maintain compliance with ICD 705 and related security requirements. The CST operates within an active construction environment and is responsible for documenting findings, analyzing designs, and maintaining security awareness throughout the project lifecycle.
EKS GroupSurveillance Role Player I EKS GroupSurveillance Role Player IArlington, VirginiaThe Surveillance Role Player I will operate as a member of a surveillance role playing team conducting static, foot, vehicle and/or multi-mode surveillance of training personnel in urban and rural environments and under all weather conditions. Experience in operating communication devices such as cell phones, walkie-talkie type radios, GPS devices, and surveillance photo/video equipment.
Chenega CorporationNewConstruction Surveillance Technician Chenega CorporationConstruction Surveillance TechnicianWashington, DCShall have knowledge of Technical Surveillance Countermeasures, construction principles, and the types of devices used by hostile and friendly intelligence services for the purpose of clandestine surveillance. The Construction Surveillance Technician will observe non-cleared construction workers for any intrusion of hostile or non-permitted materials into a federal government construction project.
Deployed Global Solutions LLCNewConstruction Surveillance Technician - AUS Deployed Global Solutions LLCConstruction Surveillance Technician - AUSAlexandria, VA$125,000–$145,000 / yearPart timeIn addition, the Construction SurveillanceTechnician will support and perform administrative operations for the site, including maintaining security documentation, coordinating subcontractor scheduling and invoicing, and preparing reports for government and prime contractor stakeholders, while serving as the primary point of contact for on-site administrative tasks. A Veteran owned full-service national security operation, Deployed Global Solutions, LLC (DGS) delivers low visibility, intelligent, agile, resilient, and secure turnkey mission solutions that are tailored to meet the global needs of our customers.
Chenega CorporationSurveillance Role Player I Chenega CorporationSurveillance Role Player IArlington, VAThe Surveillance Role Player I will operate as a member of a surveillance role playing team conducting static, foot, vehicle and/or multi-mode surveillance of training personnel in urban and rural environments and under all weather conditions. Experience in operating communication devices such as cell phones, walkie-talkie type radios, GPS devices, and surveillance photo/video equipment.
IDS InternationalConstruction Surveillance Technician TS/SCI IDS InternationalConstruction Surveillance Technician TS/SCIWashington DC, DCFull timeMust have a minimum of three (3) years of experience in the construction industry with knowledge of two (2) or more of the following disciplines: Carpentry (rough-in, finish), Electricity, Plumbing, HVAC, Sheet Metal Welding, Dry Wall Masonry. Combining operational expertise with an intimate understanding of today’s greatest challenges, we bring our customers the solutions required for success in a complex and multidimensional world.
VLincLong Range Surveillance (LRS) Program Support VLincLong Range Surveillance (LRS) Program SupportWashington, DCVLinc is seeking a highly experienced Senior Subject Matter Expert (SME) to provide programmatic and technical support to the Long Range Surveillance (LRS) aviation program under the U.S. Coast Guard (USCG) Office of Aviation Acquisition (CG-931). This position plays a key role in supporting the acquisition lifecycle phases, including logistics, engineering documentation, risk management, and coordination with Integrated Product Teams (IPTs).
Live! Casino and Hotel MarylandNewSurveillance Shift Manager - Maryland Live! Casino and Hotel MarylandSurveillance Shift Manager - MarylandHanover, MarylandSupervises department team members and procedures for protecting casino assets and internal controls to ensure the safety and security of the team members and the guests. Live is a 24 hour /7 days per week high energy casino with a culture committed to fairness, teamwork, and most importantly FUN.
New Age ProtectionConstruction Surveillance Technician New Age ProtectionConstruction Surveillance TechnicianWashington, DCThe Construction Surveillance Technician will be responsible for monitoring uncleared workers during designated phases of construction within secure areas. Identify potential security risks related to construction principles, surveillance devices, and methods used for clandestine surveillance.
Saab ABBusiness Development Director, Surveillance and Aerospace Saab ABBusiness Development Director, Surveillance and AerospaceWashington, DC$252,200–$340,400 / yearShape long-term growth through technology commercialization and strategic transactions aligned with Saab's product portfolio and technology investments, including M&A and partnership initiatives, by transforming emerging technologies into scalable production programs, expanding market share, strengthening supply chain positions, and building new customer and market opportunities. Lead the identification, development, and execution of strategic partnerships with top-tier Aerospace and Defense primes, emerging technology firms, and government agencies\u2014driving collaboration on next-generation aircraft, surveillance systems, and advanced concepts while securing development funding and guiding programs through the defense acquisition lifecycle.
The MASY GroupSurveillance Team Manager The MASY GroupSurveillance Team ManagerQuantico, VAYou will schedule and coordinate surveillance role players and surveillance teams, oversee compliance with established training guidelines, manage surveillance equipment accountability, and work closely with Instructors and SMEs to ensure learning objectives are met. In your role as the Surveillance Team Manager, you will support the Joint Counterintelligence Training Activity (JCITA) by managing surveillance team activities in support of practical exercises associated with JCITA course offerings.
PeratonSurveillance Systems Engineering, Advisor PeratonSurveillance Systems Engineering, AdvisorHerndon, Virginia$112,000–$179,000 / yearAs a Senior Systems Engineer, you will provide technical leadership across critical BNATCS surveillance and supporting domains, helping shape and integrate complex systems that directly support the FAA’s National Airspace System (NAS). Responsibilities: Join Peraton in advancing the safety, efficiency, and modernization of the National Airspace System (NAS) through the FAA’s Business, National Airspace, and Technical Computing Services (BNATCS) contract.
ManTechTechnical Surveillance Countermeasures Practitioner ManTechTechnical Surveillance Countermeasures PractitionerSpringfield, VAOccasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations. + Oversee the team's overall training curriculum, identify and recommend practitioners for advanced courses, coordinate annual training, and supervise the apprentice program, ensuring adherence to DoD network access requirements.
Live! Casino and Hotel MarylandNewSurveillance Operator - Maryland Live! Casino and Hotel MarylandSurveillance Operator - MarylandHanover, MarylandObserve all activities of guest and team members on the casino floor, cage, change booths, and count rooms via the closed circuit television system for criminal activities and/or violation of the state lottery and gaming commission regulations as well as company policies and procedures. Your focus, attention to detail, and commitment to observing real‑time operations help safeguard company assets, support regulatory compliance, and ensure a secure environment for both guests and team members.
Live! Casino and Hotel MarylandNewSurveillance Operator - Part-Time - Maryland Live! Casino and Hotel MarylandSurveillance Operator - Part-Time - MarylandHanover, MarylandObserve all activities of guest and team members on the casino floor, cage, change booths, and count rooms via the closed circuit television system for criminal activities and/or violation of the state lottery and gaming commission regulations as well as company policies and procedures. Your focus, attention to detail, and commitment to observing real‑time operations help safeguard company assets, support regulatory compliance, and ensure a secure environment for both guests and team members.
Core OneSurveillance Coordinator Core OneSurveillance CoordinatorSterling, VAActing as the primary integrator between surveillance teams, exercise control, logistical partners, and customer leadership, this role ensures training lanes operate smoothly, safely, and in compliance with PWS requirements. Leadership of surveillance teams – ability to organize, direct, and synchronize personnel across concurrent training lanes, with clear emphasis on team leadership as the core competency for this role.
ConsultNetLead Developer- Surveillance Platform and Analytics ConsultNetLead Developer- Surveillance Platform and AnalyticsRockville, MDFor over 25 years, we have connected thousands of consultants with meaningful roles through a personal, communication-driven approach, partnering with a diverse client base to build high-performing teams and create lasting impact. We are seeking an experienced Lead Software Engineer with strong technical leadership skills and an entrepreneurial mindset to drive the design and development of large-scale, business-critical platforms.
Na Ali'i Consulting & Sales, LLC.Analyst III: Global Health Security (GHS) Surveillance Program Analyst Na Ali'i Consulting & Sales, LLC.Analyst III: Global Health Security (GHS) Surveillance Program AnalystArlington, Virginia$95,000–$100,000 / yearThe Nakupuna Companies use a market-based compensation strategy to ensure that our employees are compensated within applicable market ranges commensurate with multiple factors, including but not limited to the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability, organizational requirements, and position location. Technical and capacity-building materials supporting transition of foreign assistance to new implementation models, including but not limited to government-to-government, faith-based organizations, private sector, and other implementation models.
Omniscius ConsultingTechnical Surveillance Countermeasure Technician Omniscius ConsultingTechnical Surveillance Countermeasure TechnicianWashington, DCFull timeOur client is seeking a skilled Technical Surveillance Countermeasure (TSCM) Technician to work on government installations, conducting inspections to identify and mitigate unauthorized networks (Wi-Fi and Bluetooth) to ensure national security. This role requires expertise in surveillance detection, data analysis, and adherence to Department of Defense (DoD) and Pentagon Force Protection Agency (PFPA) policies.
PATHRegional Infectious Disease Surveillance Advisor PATHRegional Infectious Disease Surveillance AdvisorWashington, DCWith more than 40 years of experience forging multisector partnerships and with expertise in science, economics, technology, advocacy, and dozens of other specialties, PATH develops and scales up innovative solutions to the worlds most pressing health challenges. This includes epidemiological and laboratory surveillance for zoonotic, epidemic-, and pandemic-prone diseases, as well as outbreak investigations at national, regional, and international levels.
Omniscius ConsultingUTS Instructor (Ubiquitous Technical Surveillance) Omniscius ConsultingUTS Instructor (Ubiquitous Technical Surveillance)Washington, DCFull timeThe UTS Instructor delivers advanced training to CI Special Agents, enabling them to conduct collection and operations in digitally enabled and technically complex environments. Train non-technical CI personnel to operate effectively in digital and technical environments.
PRESCIENT EDGE CORPORATIONExpert CI/SME Instructor (Surveillance) PRESCIENT EDGE CORPORATIONExpert CI/SME Instructor (Surveillance)Quantico, VAThis course consists of classroom and practical exercises that frequently exceed 8-hour days and as such, requires work after hours, on weekends and some holidays, and requires travel daily within the NCR and travel within CONUS up to seven (7) times per year. We are a global operations and solutions integrator delivering full-spectrum intelligence analysis support, training, security, and RD&E support solutions to the Department of Defense and throughout the intelligence community.
PRESCIENT EDGE CORPORATIONSenior CI/SME Instructor (Surveillance) PRESCIENT EDGE CORPORATIONSenior CI/SME Instructor (Surveillance)Quantico, VAThis course consists of classroom and practical exercises that frequently exceed 8-hour days and as such, requires work after hours, on weekends and some holidays, and requires travel daily within the NCR and travel within CONUS up to seven (7) times per year. We are a global operations and solutions integrator delivering full-spectrum intelligence analysis support, training, security, and RD&E support solutions to the Department of Defense and throughout the intelligence community.
Whelan SecuritySOC Analyst Surveillance Ambassador Whelan SecuritySOC Analyst Surveillance AmbassadorMcLean, VAEffectively monitor for threats or potential obstacles to security teams by using threat detection intelligence tools and open source research. Additionally, the Sentry Analyst is responsible for the detailed and accurate logging of all security-related information and disseminating information in an efficient and professional manner using various communication methods.
Whelan SecuritySOC Analyst Surveillance- Emergency Dispatch Whelan SecuritySOC Analyst Surveillance- Emergency DispatchMcLean, VAEffectively monitor for threats or potential obstacles to security teams by using threat detection intelligence tools and open source research. Additionally, the Sentry Analyst is responsible for the detailed and accurate logging of all security-related information and disseminating information in an efficient and professional manner using various communication methods.
Whelan SecuritySurveillance Shift Supervisor Whelan SecuritySurveillance Shift SupervisorMcLean, VAGardaWorld Security is a global champion in sophisticated and tailored security solutions, employing and training highly skilled and dedicated professionals across the globe. As a Security Officer – Surveillance, physical ability is essential as you will be moving around your entire shift, patrolling environments such as retail stores, airports, detention centers, etc.
PRESCIENT EDGE CORPORATIONSr. Surveillance Support- (CI Specialist) PRESCIENT EDGE CORPORATIONSr. Surveillance Support- (CI Specialist)Fort Meade, MDAt Prescient Edge, we believe that acting with integrity and serving our employees is the key to everyones success. • Career development opportunities, including on-the-job training, tuition reimbursement, and networking.
Johns Hopkins Applied Physics LaboratoryMaritime Surveillance LFA/CLFA System Design and Operations Analyst Johns Hopkins Applied Physics LaboratoryMaritime Surveillance LFA/CLFA System Design and Operations AnalystLaurel, MarylandWe are seeking a dynamic, creative, and analytical candidate to help us assess the design and influence the capability development of the U.S. Navy's Maritime Surveillance Systems (MSS) Low Frequency Active (LFA), Compact LFA (CLFA), and prototype Deployable Active Systems. Have earned a US Navy designator, billet classification, or enlisted classification code related to surveillance systems and/or active sonar, or have a B.S. in Engineering, Physics, Mathematics, Computer Science, or related technical field.
NoblisSpectrum/Surveillance Engineer - Multiple Levels NoblisSpectrum/Surveillance Engineer - Multiple LevelsWashington, Washington, DC$64,620–$264,300 / year
Chenega Security International, LLCConstruction Surveillance Technician Chenega Security International, LLCConstruction Surveillance TechnicianFalls Church, VirginiaMaintain strict control of site access, ensuring only authorized personnel enter secure areas and that uncleared workers are continuously monitored. Utilize tools such as metal detectors, X-ray systems, and CCTV to identify prohibited items and monitor site activity.
Johns Hopkins Applied Physics Laboratory2026 Graduate - Engineer/Analyst - Intelligence, Surveillance, Reconnaissance, & Targeting Scientific Applications Johns Hopkins Applied Physics Laboratory2026 Graduate - Engineer/Analyst - Intelligence, Surveillance, Reconnaissance, & Targeting Scientific ApplicationsLaurel, MarylandOur team applies disciplines such as sensor and data fusion, signal and image processing, operations research, applied physics, machine learning, and artificial intelligence to build systems that automatically or autonomously orchestrate sensors, process data into information, and make intelligent inferences and predictions about complex threats and environments. Our work enables the US military to neutralize a wider variety of serious threats from safer distances than they could otherwise accomplish; improves the safety, survivability, and effectiveness of US air, naval, and ground forces; and disrupts the ability of potential adversaries to threaten our forces.
U.S. Federal Bureau of InvestigationNewSURVEILLANCE SPECIALIST NLP 1801 GS 7/9 Nationwide TALENT NETWORK (ALL US CITIZENS) U.S. Federal Bureau of InvestigationSURVEILLANCE SPECIALIST NLP 1801 GS 7/9 Nationwide TALENT NETWORK (ALL US CITIZENS)Quantico, VAfind the description in this url https://apply.fbijobs.gov/psc/ps/EMPLOYEE/HRMS/c/HRS_HRAM_FL.HRS_CG_SEARCH_FL.GBL?Page=HRS_APP_JBPST_FL&Action=U&FOCUS=Applicant&SiteId=1&JobOpeningId=USCIT-63556-1&PostingSeq=1&SiteId=1.
Allied UniversalClaims Investigator - Part Time Allied UniversalClaims Investigator - Part TimeCollege Park, Maryland$24–$28 / hour
Ethos Risk ServicesInvestigator Ethos Risk ServicesInvestigatorWashington, DCPrevious Experience: Demonstrated proficiency in covert surveillance techniques, capturing high-quality video footage, and preparing thorough, well-organized investigative reports. This role involves performing both stationary and mobile surveillance, obtaining video and photographic evidence, and preparing thorough, detailed reports for clients.
Lemieux & Associates LLCSIU Claims Investigator Lemieux & Associates LLCSIU Claims InvestigatorWashington, DC$25–$32 / hourOur leadership team brings over 25 years of field experience and is committed to fostering a professional, results-driven environment. Join Lemieux & Associates, a trusted leader in investigative services, and make an impact with your surveillance expertise.
U.S. Department of EducationCriminal Investigator, GS-1811-12/13 (MP) U.S. Department of EducationCriminal Investigator, GS-1811-12/13 (MP)Washington, DC$89,508–$138,370 / yearSpecialized Experience for the GS-12 level: One year of specialized experience equivalent to the GS-11 grade level or equivalent public or private sector experience that has equipped you with the particular knowledge, skills, and abilities to perform successfully the following duties or work assignments below: Conducting the full range of criminal investigations of greater than average complexity and importance using accepted methodology and problem-solving techniques. If you are claiming eligibility under the Veterans Employment Opportunities Act (VEOA), you must submit: A copy of your DD-214 that shows active service and character of discharge (member copy 4, Separated Members only) OR a certification of expected discharge or release from active duty under honorable conditions within 120 days from the date of application (Current Active Duty Members only).
U.S. Department of EducationCriminal Investigator (Open Continuous) U.S. Department of EducationCriminal Investigator (Open Continuous)Washington, DC$57,188–$97,087 / yearRelocation expenses reimbursed: No ### Appointment Details Appointment type: Permanent Work schedule: Full-time Service: Competitive Promotion potential: 13 Job family Series: 1811 Criminal Investigation Supervisory status: No Security clearance: Top Secret Drug test: Yes Position sensitivity and risk: Critical-Sensitive CSHigh Risk Trust determination process: Credentialing, Suitability, Fitness, National security, Financial disclosure (Yes - Requires a financial disclosure agreement). Note: If any required coursework is not easily recognizable on transcripts or if you believe a portion of a particular course can be credited toward meeting an educational requirement, you must also provide a memorandum on letterhead from the institutions registrar, dean, or other appropriate official stating the percentage of the course that should be considered to meet the requirement and the equivalent number of units.
Macpower Digital Assets Edge Private LimitedSmoking Enforcement Investigator Macpower Digital Assets Edge Private LimitedSmoking Enforcement InvestigatorWashington, DC$90,000–$110,000 / yearKey Responsibilities:Conduct routine and complaint-driven inspections of workplaces, public places, and establishments for compliance with smoke-free and tobacco-control laws. Issue notices of infractions for smoking, signage, or tobacco control violations.
Weis MarketsRetail Crime Investigator Weis MarketsRetail Crime InvestigatorGaithersburg, MDThe requirements listed below are representative of the knowledge, skills, and/or abilities required: Bachelor's degree (BA/BS) Criminal Justice, Criminology, Business, or related field preferred, plus one (1) year retail loss prevention experience in a retail store environment. The associate is responsible for the functions below, in addition to other duties as assigned: Investigate and resolve external theft (Shoplifting, Organized Retail Crime, etc.).
OCT Consulting, LLCAcquisition Management Support SME (15.39) OCT Consulting, LLCAcquisition Management Support SME (15.39)Washington, DCRemote$110,000–$130,000This includes supporting the development of Statements of Work (SOW), Performance Work Statements (PWS), Statements of Objectives (SOO), market research reports, and other acquisition planning documents to ensure clarity, accuracy, and compliance with applicable regulations. Review requirement documents with the program offices for requirement validation and clarity, participate in pre-proposal conferences as necessary, and obtain input from technical officials prior to preparation of the solicitation.
White House USANewSpecial Agent (Reemployed Annuitant) Intelligence Operations Division (IOD) White House USASpecial Agent (Reemployed Annuitant) Intelligence Operations Division (IOD)Washington, DCPerform a full range of comprehensive investigative functions to include planning, organizing, fact-finding, and reporting results on cases ranging from routine to highly complex; conducting protective intelligence operations, to include coordinating investigative and operational efforts with sworn law enforcement officers and partner agency officials; and conducting surveillance and countersurveillance operations. Specialty units under IOD utilize investigative and all-source intelligence techniques to identify and mitigate domestic and international security risks to the U.S. Capitol, Members of Congress, congressional facilities, congressional employees, United States Capitol Police (USCP), and the visiting public.
White House USANewSpecial Agent (Reemployed Annuitant) Investigations Division White House USASpecial Agent (Reemployed Annuitant) Investigations DivisionWashington, DCInvestigate criminal and terroristic activity involving violations of the D.C. Code and Title 18 of the U.S. Code; Collect, evaluate, interpret, and disseminate information related to the mission of the ID; Prepare and disseminate written reports including reports of investigation, various investigative assessments, and investigations bulletins; Perform a full range of comprehensive investigative functions to include planning, organizing, fact-finding, and reporting results on cases ranging from routine to highly complex; Perform protective intelligence operations, coordinating investigative and operational efforts with other USCP sworn officers and outside agency officials; Serve as a liaison with local, state, and Federal law enforcement agencies; Conduct surveillance, surveillance detection, and counter surveillance operations; Represent the USCP during investigative and law enforcement meetings. The PSB ID is responsible for investigating violations of the D.C. Code and Title 18 of the U.S. Code to include allegations of criminal activity, terroristic activity, and threats or unusual interests against Members of Congress and other statutory protectees of Congress that occur in the jurisdiction of the USCP as defined by 2 USC § 1966(a) & (f).
Gavin de Becker & AssociatesExecutive Protection Specialist Gavin de Becker & AssociatesExecutive Protection SpecialistWashington, DCFounded in 1978 by 3-time Presidential appointee, Gavin de Becker, our firm's Protectors, Analysts, and Investigators are committed to our mission of protecting human life through the assessment, prediction, and management of violence. GDBA's ideal candidate for this position possesses one or more of the following experience levels/credentials: 3+ years working in a full-time certified law enforcement officer position(s).