Based at Portland Air National Guard Base, Oregon, the 304th Rescue Squadron is an Air Force Reserve Command combat search and rescue unit. The 304th RQS trains personnel, with equipment, to achieve and maintain the capability to perform day/night combat rescue missions; search for, locate and recover United States Air Force and other Department of Defense personnel involved with United States defense activities. The 304th RQS is part of the 943d Rescue Group at Davis-Monthan Air Force Base, Arizona.