Group of three pieces of flight test program instrumentation involved in a photo reconnaissance program (possibly SR-71), believed to have originated from Edwards Air Force Base, including: a camera control unit, measuring 7.5″ x 11″ x 5″, with controls for power, camera bypass, frame rate, and other functions; a module with a digital display, measuring 5.25″ x 2.5″ x 5.5″, with buttons marked "Data," "Event," "F/T Power," and "A," "B," and "C"; and an analog meter panel, measuring 6.5″ x 4.25″ x 2″, with the gauge identified as "JIFDATS Test," and various toggle switches. In overall very good to fine condition.