A three-person National Guard critical-care air transport team treats Army Spc. Adam Castagna, one of three critical patients under their care during an aeromedical evacuation flight April 29, 2011, from Ramstein Air Base, Germany, to Joint Base Andrews, Md. Team members are (from left) Tech. Sgt. Chris Howard, the team's respiratory therapist; Col. (Dr.) Charles Chappuis, the surgeon; and Lt. Col. David Worley, the critical-care nurse. (Defense Department photo/Donna Miles)