00836cam a2200205 4500 547803486 TxAuBib 20141205120000.0 141204s2012||||||||||||||||||||||||und|u 9781612001227 161200122X TxAuBib Sine, Wlilliam F. Senior Master Sergeant. Guardian Angel : Life and Death Adventures with Pararescue, the World's Most Powerful Commando Rescue Force. Havertown, PA. : Casemate Publishers, 2012. 239pp : color photos. U.S. Air Force pararescue troops were organized in 1947 and have served in every conflict since and have rescued more than 30 thousand lives in battle zones. 20141205. US. Air Force parachute rescue forces.