Airman Sam Leone guards a C-17 at Aeroport International Toussaint Louverture in Port-au-Prince, Haiti, Jan. 28. Airman Leone is a member of the 628th Security Forces Squadron from Charleston Air Force Base, S.C. Joint Team Charleston has flown humanitarian missions to Haiti around the clock since the relief effort began. (U.S. Air Force photo/Staff Sgt. Barry Loo)

Airmen load cargo onto a Charleson Air Force Base C-17 at Moody Air Force Base, Ga., Jan. 28. The cargo will be used to support humanitarian relief efforts in Haiti. (U.S. Air Force photo/Staff Sgt. Barry Loo)

Master Sgt. Troy Firzlaff marshals a high mobility multipurpose wheeled vehicle onto a Charleston Air Force Base C-17 Jan. 28. The HMMWV will be used to support humanitarian relief efforts in Haiti. Sergeant Firzlaff is a member of the 15th Airlift Squadron. (U.S. Air Force photo/Staff Sgt. Barry Loo)

Airman 1st Class Aaron Mealhow escorts evacuees Fritz Gabriel and his wife Mary to a C-17 at Aeroport International Toussaint Louverture in Port-au-Prince, Haiti, Jan. 28. Airman Mealhow is a member of the 62nd Aerial Port Squadron from McChord Air Force Base, Wash. The Air Force flew the Gabriels and other evacuees to Orlando Sanford International Airport in Florida. (U.S. Air Force photo/Staff Sgt. Barry Loo)

Senior Airman Kourtney Long guards a C-17 at Aeroport International Toussaint Louverture in Port-au-Prince, Haiti, Jan. 28. Airman Long is a 6th Security Forces Squadron Phoenix Raven from McDill Air Force Base, Fla. Security forces Airmen who become Ravens have been through a screening process to include reviewing Enlisted Performance Reports, standardization and evaluation reports, a physical fitness test and a 45-day apprentice course before going to the official Phoenix Raven school. (U.S. Air Force photo/Staff Sgt. Barry Loo)