Keywords: US Navy 080212-N-5821P-006 Aircrew Survival Equipmentman 2nd Class Brock Riggen rebuilds an oxygen regulator in the aircraft intermediate maintenance department at Naval Air Station Sigonella.jpg en SIGONELLA Sicily Feb 12 2008 Aircrew Survival Equipmentman 2nd Class Brock Riggen rebuilds an oxygen regulator in the aircraft intermediate maintenance department at Naval Air Station Sigonella Before repair the regulator which regulates the amount of oxygen going from an oxygen cylinder to an aircrewman underwent a bench test to simulate how the device responded to altitude changes U S Navy photo by Mass Communication Specialist 2nd Class Jason T Poplin Released 2008-02-12 080212-N-5821P-006 Navy http //www navy mil/view_image asp id 55228 U S Navy photo by Mass Communication Specialist 2nd Class Jason T Poplin PD-USGov-Military-Navy Naval Air Station Sigonella Aircrew Survival Equipmentman |