Target Military Backgrounds: Allied Trades Specialist, Wheeled Vehicle, Aviation Powerplant, Machinery Repairman, Structural Mechanic, Machinists Mate, Aircraft Metals Tech, Aerospace Propulsion, Pavements/Equipment, Machinist, Facilities Systems, Machinery Technician, Aviation Maintenance Technician Army 91E, 91B, 15B, Air Force 2A7X1, 2A6X1, 3E2X1, Navy MR, MM, AM, Coast Guard MK, MR, AMT, Marine Corps 2161, 6092, 3521, Space Force 4D0X1, 4A0X1. • Be able to read and interpret blueprints, drawings and written work plans machining by studying work orders, blueprints, engineering plans, materials, specifications, orthographic drawings, reference planes, locations of surfaces, and machining parameters; interpreting geometric dimensions and tolerances (GD&T).