US Army via AP
US Navy photo by Hospital Corpsman 1st Class Kenji Shiroma/Released
Gerald Herbert/AP
US Marine Corps photo by Lance Cpl. Peyton Kahle
US Army photo by Spc. David Poleski
US Air Force photo by Mauricio Campino
US Marine Corps photo by Cpl. Joseph Helms
Chip Somodevilla/Getty Images
US Air National Guard photo by MSgt Christine Wood
Petty Officer 3rd Class John Martinez