A memorial service celebrating his life will be held Thursday at the base chapel, beginning at 1 p.m.
A memorial service was held in his home town of Hayden, Colo., on Tuesday, Dec. 28, under the direction of Grant Mortuary of Craig, Colo.
Brannan was born May 5, 1985, in Brawley, Calif., to Patrick and Karen (Cole) Brannan.
His childhood was spent in North Carolina, Grand Junction, Colo., Craig, Colo., and various other places in the United States prior to his family moving to Hayden, where he graduated from high school in 2003.
During high school he was active in track and football and was a member of the Boy Scouts of America.
Following high school he enlisted in the United States Air Force and was assigned to Mountain Home AFB, where he served as a vehicle mechanic with the 366th LRS. He had served a tour in the United Arab Emirates as part of Operation Iraqi Freedom.
He enjoyed fishing, hunting, snowmobiling, snowboarding "and anything to do with the outdoors."
He is survived by: his father and stepmother, Patrick and Glenda Brannan of Hayden; sisters Jessica Eileen Brannan of Hayden and Laura Oatman of Colbran, Colo.; his grandparents, Sarah Cole of Craig, Colo. and Kenneth and Carol Rhodes of Hayden, as well as several aunts, uncles and numerous other relatives.
He was preceded in death by his mother, karen, and his grandparents, Edna and Dale Brannan and Kenneth Cole.