150220-N-CC789-009 PACIFIC OCEAN (Feb. 20, 2015) Hospital Corpsman 1st Class Erin Castillo, assigned to the amphibious assault ship USS America (LHA 6), assesses a simulated wrist fracture as part of the triage procedure during a general quarters drill. America is the first ship of its class and is optimized for Marine Corps aviation. (U.S. Navy photo by Mass Communication Specialist 1st Vladimir Ramos/Released)