VMX-1 is a United States Marine Corps operational test squadron consisting of multiple aircraft types. Based at Marine Corps Air Station Yuma in Southern Arizona, VMX-1 was stood up in 2003 initially as VMX-22, before being redesignated as VMX-1 in 2016.VMX-1 conducts operational test under the authority of the Commander, Operational Test and Evaluation Force (COMOPTEVFOR) and the Director, Marine Corps Operational Test and Evaluation Activity (MCOTEA) depending on the program under test. The squadron uses the callsign Storm for its aircraft.
The A-10, Well known in its service to the United States Air Force would have one example transferred to VMX-1 in 2027, allowing Marine Corps planners to evaluate the aircraft as a dedicated ground-support airframe that could be acquired cheaply with the Air Force’s planned divestment of the type by fall of 2026.