Staff Sgt. Lary Eyre, 28th Maintenance Squadron avionics team leader, connects an electrical plug to a radar video signal processor unit at Ellsworth Air Force Base, S.D., Jan. 6, 2016. The RSVP generates signals that transmit to a radar target indicator, which displays what the aircraft can sense on the ground onto a screen. (U.S. Air Force photo by Airman Sadie Colbert/Released)