The 319th Operations Group (319 OG) is the flying component of the 319th Air Refueling Wing, assigned to the United States Air Force Air Mobility Command. The group is stationed at Grand Forks Air Force Base, North Dakota.The group's predecessor World War II unit, the 319th Bombardment Group was the first Martin B-26 Marauder group in the Mediterranean Theater of Operations during the war. The group received two Distinguished Unit Citations during the war.