Marine Corps Air Station Camp Pendleton or MCAS Camp Pendleton is a United States Marine Corps airfield located within Marine Corps Base Camp Pendleton. It was commissioned in 1942 and is currently home to Marine Aircraft Group 39. The airfield is also known as Munn Field in honor of Lieutenant General John C. "Toby" Munn, the first Marine aviator to serve as the Commanding General of Marine Corps Base Camp Pendleton.