Keywords: US Navy 091105-N-6326B-053 Machinist's Mate 1st Class Luis Favela, left, teaches Hospital Corpsman 1st Class Elizabeth Armstrong to install and remove self-contained breathing apparatus (SCBA) tanks.jpg en SAN DIEGO Nov 5 2009 Machinist's Mate 1st Class Luis Favela left teaches Hospital Corpsman 1st Class Elizabeth Armstrong to install and remove self-contained breathing apparatus SCBA tanks aboard the Military Sealift Command hospital ship USNS Mercy T-AH 19 Mercy is conducting a series of training exercises to prepare for Pacific Partnership 2010 U S Navy photo by Mass Communication Specialist 3rd Class Jake Berenguer/Released 2009-11-05 091105-N-6326B-053 Navy http //www navy mil/view_image asp id 78479 U S Navy photo by Mass Communication Specialist 3rd Class Jake Berenguer PD-USGov-Military-Navy Naval Base San Diego in the 2000s Self-contained breathing apparatus |