210122-F-YO405-1016
A U.S. Air Force F-15C Eagle pilot and crew chief assigned to the 159th Fighter Wing, Louisiana Air National Guard, conduct pre-flight operational and safety checks for the aircraft at Tyndall Air Force Base, Florida, Jan. 22, 2021. Multiple units came to Tyndall to participate in Weapons System Evaluation Program East 21.04 to validate and verify weapons system performance, determine reliability, evaluate capability and limitations, identify deficiencies, and recommend corrective action. (U.S. Air Force photo by Staff Sgt. Magen M. Reeves)