The 446th Operations Group (446 OG) is a United States Air Force Reserve unit assigned to the 446th Airlift Wing. It is stationed at McChord Air Force Base, Washington. The group was first activated as the 446th Bombardment Group and served in combat as an Eighth Air Force B-24 Liberator unit in England. In 1944 the group led Eighth Air Force and the 2d Bombardment Division on the first heavy bomber mission of D-Day. The group's 706th Bombardment Squadron flew 62 consecutive missions and 707th Bombardment Squadron had 68 missions without loss. After V-E Day the group returned to the United States, where it was inactivated in August 1945.