Marine Corps Lt. Col. David Berke, the commander of Marine Fighter Attack Training Squadron 501 (VMFAT-501) flew the 100th F-35 sortie at the F-35 Integrated Training Center at Eglin AFB, Florida, on 11 July 2011. The 100 flight total includes seventy four F-35A sorties and twenty six F-35B sorties. Current flying operations at the wing mainly consist of Air Force and Marine pilots checking out in the respective F-35 Lightning II variant for each service, the F-35A and F-35B.