Misawa Air Base is a US air base located on the northeastern shores of Honshu, adjacent to Misawa City in Aomori Prefecture, Tohoku, Japan. The base is home to 5,200 US military personnel, as well as 300 US civilian employees and 900 local national employees. Misawa is the only combined, joint service installation in the western Pacific. It houses all four US military services (Air Force, Army, Navy, and Marines) as well as the Japan Air Self Defense Force.

Misawa also has scheduled flights to Tokyo International Airport, making it one of the only joint civilian-military airports in the U.S. defense grid.