Current competitive service Federal employees with career or career-conditional tenure, Agency/ lnteragency Career Transition Assistance Program eligibles (CTAP/ICTAP), Reinstatement, Land and Base Management, Schedule A (Persons with Disabilities), 30% or More Disabled Veterans, Military Spouses, OPM Interchange Agreements, Veterans Recruitment Appointment, and Veterans Employment Opportunities Act appointment eligibles. Participating in complex research projects to develop new prototypes and photographic techniques (i.e., using macro/microphotography, laser, infrared, ultraviolet, x-ray and low light photography and designs and constructs of new equipment (i.e. new cameras, lenses, light sources, filters, and processing equipment).