Grey Butte Field Airport

Grey Butte Field Airport is a private airport located 25 miles east of Palmdale, California. It is owned by General Atomics of San Diego. Its primary use is the development and testing of Unmanned Aerial Vehicles (UAV) for the United States military.

History
During World War II, the airport was designated as Grey Butte Auxiliary Airfield (No 4), and was an auxiliary training airfield for Victorville Army Airfield, California.

The wartime runways are abandoned and not used by General Atomics for their UAV testing.

The airfield was assigned the FAA location identifier GVM, but on July 26, 2012, the airport's location identifier was changed to 04CA..