Two US Air Force F-35A Lightning IIs, assigned to the 4th Fighter Squadron from Hill Air Force Base, Utah, conduct flight training operations over the Utah Test and Training Range.

F-35 Lightning IIs from the developmental test and operational test squadrons on the end of runway ramp at Edwards Air Force Base, California.

F-35B BF-03 on a flutter and buffet test mission from Naval Air Station Patuxent River, Maryland on February 1, 2018, its 691st flight. The aircraft is loaded with 1,000lb GBU-32 and 2,000lb GBU-31 Joint Direct Attack Munitions and AIM-9X Sidewinder air-to-air missiles.

A US Marine Corps F-35B Lightning II aircraft with Marine Fighter Attack Squadron 121 (VMFA-121) touches down on the amphibious assault ship USS Wasp (LHD 1), marking the first time the aircraft has deployed aboard a US Navy ship and with a Marine Expeditionary Unit, in this case the Okinawa-based 31st Marine Expeditionary Unit, in the Indo-Pacific.

Sailors prepare an F-35C Lightning II, from Strike Fighter Squadron 101 (VFA-101) 'Grim Reapers', to launch on the flight deck of the aircraft carrier USS Abraham Lincoln (CVN 72).