May 31, 2022 142nd Wing Guardsmen hone skills in WSEP/Checkered Flag 22-2 In May, roughly 200 142nd Wing Guardsmen, along with a fleet of 123rd Fighter Squadron F-15 Eagles flew to Tyndall Air Force Base, Fla. to participate in a two week exercise known as WSEP (Weapons System Evaluation Program)/Checkered Flag 22-2.