|Rank||Sergeant U.S. Army|
|Date of Death||June 18 1953|
Korean Service Medal
National Defense Service Medal
Republic of Korea Presidential Unit Citation
Republic of Korea War Service Medal
United Nations Service Medal
Sergeant Brennan was awarded the Korean Service Medal, the United Nations Service Medal, the National Defense Service Medal, the Korean Presidential Unit Citation and the Republic of Korea War Service Medal.
Sergeant Brennan was a member of the 78th Anti-Aircraft Artillery (Automatic Weapons) Battalion, U.S. Army. On June 18, 1953, he was a passenger on a C-124A Globemaster transport traveling from Tachikawa Air Base, Japan to Korea. He was killed when the aircraft crashed about three miles from Tachikawa.