Air Force ground survival

Students practice igniting survival flares during a ground survival refresher course at Schofield Barracks, Hawaii, on Thursday, May 4, 2006. The course provides realistic training for aircrew members and concentrates on the principles, techniques and skills necessary to survive in any environment. (U.S. Air Force photo/Tech. Sgt. Shane A. Cuomo)

Students practice igniting survival flares during a ground survival refresher course at Schofield Barracks, Hawaii, on Thursday, May 4, 2006. The course provides realistic training for aircrew members and concentrates on the principles, techniques and skills necessary to survive in any environment. (U.S. Air Force photo/Tech. Sgt. Shane A. Cuomo)

Staff Sgt. Christopher Ferguson explains how to prepare tinder to start a fire during a ground survival refresher course at Schofield Barracks, Hawaii, on Thursday, May 4, 2006. The course provides realistic training for aircrew members and concentrates on the principles, techniques and skills necessary to survive in any environment. Sergeant Ferguson is a survival, evasion, resistance and escape instructor with  the 15th Operations Support Squadron at Hickam Air Force Base, Hawaii. (U.S. Air Force photo/Tech. Sgt. Shane A. Cuomo)

Staff Sgt. Christopher Ferguson explains how to prepare tinder to start a fire during a ground survival refresher course at Schofield Barracks, Hawaii, on Thursday, May 4, 2006. The course provides realistic training for aircrew members and concentrates on the principles, techniques and skills necessary to survive in any environment. Sergeant Ferguson is a survival, evasion, resistance and escape instructor with the 15th Operations Support Squadron at Hickam Air Force Base, Hawaii. (U.S. Air Force photo/Tech. Sgt. Shane A. Cuomo)

Staff Sgt. Christopher Ferguson shows students how to use a Global Positioning System during a ground survival refresher course at Schofield Barracks, Hawaii, on Thursday, May 4, 2006. The course provides realistic training for aircrew members and concentrates on the principles, techniques and skills necessary to survive in any environment. Sergeant Ferguson is a survival, evasion, resistance and escape instructor with the 15th Operations Support Squadron at Hickam Air Force Base, Hawaii. (U.S. Air Force photo/Tech. Sgt. Shane A. Cuomo)

Staff Sgt. Christopher Ferguson shows students how to use a Global Positioning System during a ground survival refresher course at Schofield Barracks, Hawaii, on Thursday, May 4, 2006. The course provides realistic training for aircrew members and concentrates on the principles, techniques and skills necessary to survive in any environment. Sergeant Ferguson is a survival, evasion, resistance and escape instructor with the 15th Operations Support Squadron at Hickam Air Force Base, Hawaii. (U.S. Air Force photo/Tech. Sgt. Shane A. Cuomo)

Lt. Col. Jimmy Barrow applies grease paint to camouflage his face during a ground survival refresher course at Schofield Barracks, Hawaii, on Thursday, May 4, 2006. The course provides realistic training for aircrew members and concentrates on the principles, techniques and skills necessary to survive in any environment. (U.S. Air Force photo/Tech. Sgt. Shane A. Cuomo)

Lt. Col. Jimmy Barrow applies grease paint to camouflage his face during a ground survival refresher course at Schofield Barracks, Hawaii, on Thursday, May 4, 2006. The course provides realistic training for aircrew members and concentrates on the principles, techniques and skills necessary to survive in any environment. (U.S. Air Force photo/Tech. Sgt. Shane A. Cuomo)

Students use a map and GPS (global positioning system) to find their location May 4, 2006 during a ground survival refresher course at Schofield Barracks training area, Hawaii. The course provides hands on realistic training for aircrew members that concentrates on the principles, techniques, and skills necessary to survive in any environment and return home. Staff Sgt. Ferguson is the SERE (survival, evasion resistance and escape) instructor from the 15th Operations Support Squadron. He is responsible for training all active duty and Air National Guard aircrews on Hickam. (U.S. Air Force photo/Tech. Sgt. Shane A. Cuomo)

Students use a map and GPS (global positioning system) to find their location May 4, 2006 during a ground survival refresher course at Schofield Barracks training area, Hawaii. The course provides hands on realistic training for aircrew members that concentrates on the principles, techniques, and skills necessary to survive in any environment and return home. Staff Sgt. Ferguson is the SERE (survival, evasion resistance and escape) instructor from the 15th Operations Support Squadron. He is responsible for training all active duty and Air National Guard aircrews on Hickam. (U.S. Air Force photo/Tech. Sgt. Shane A. Cuomo)

Airman 1st Class Robert Rosinski and Senior Airman Benjamin Figueroa detain a student after finding her hiding spot during a ground survival refresher course at Schofield Barracks, Hawaii, on Thursday, May 4, 2006. The course provides realistic training for aircrew members and concentrates on the principles, techniques and skills necessary to survive in any environment. Airmen Rosinski and Figueroa served as "aggressors" searching for students. They are with the 15th Civil Engineer Squadron at Hickam Air Force Base, Hawaii. (U.S. Air Force photo/Tech. Sgt. Shane A. Cuomo)

Airman 1st Class Robert Rosinski and Senior Airman Benjamin Figueroa detain a student after finding her hiding spot during a ground survival refresher course at Schofield Barracks, Hawaii, on Thursday, May 4, 2006. The course provides realistic training for aircrew members and concentrates on the principles, techniques and skills necessary to survive in any environment. Airmen Rosinski and Figueroa served as "aggressors" searching for students. They are with the 15th Civil Engineer Squadron at Hickam Air Force Base, Hawaii. (U.S. Air Force photo/Tech. Sgt. Shane A. Cuomo)

Senior Airman Ryan Gentzler, acting as an "aggressor," scans for students going through a ground survival refresher course at Schofield Barracks, Hawaii, on Thursday, May 4, 2006. The course provides realistic training for aircrew members and concentrates on the principles, techniques and skills necessary to survive in any environment. Airman Gentzler is with the 15th Civil Engineering Squadron at Hickam Air Force Base, Hawaii. (U.S. Air Force photo/Tech. Sgt. Shane A. Cuomo)

Senior Airman Ryan Gentzler, acting as an "aggressor," scans for students going through a ground survival refresher course at Schofield Barracks, Hawaii, on Thursday, May 4, 2006. The course provides realistic training for aircrew members and concentrates on the principles, techniques and skills necessary to survive in any environment. Airman Gentzler is with the 15th Civil Engineering Squadron at Hickam Air Force Base, Hawaii. (U.S. Air Force photo/Tech. Sgt. Shane A. Cuomo)

"Aggressors" discuss possible locations to catch students who are going through a ground survival refresher course at Schofield Barracks, Hawaii, on Thursday, May 4, 2006. The course provides realistic training for aircrew members and concentrates on the principles, techniques and skills necessary to survive in any environment. The Airmen are from the 15th Civil Engineer Squadron at Hickam Air Force Base, Hawaii. (U.S. Air Force photo/Tech. Sgt. Shane A. Cuomo)

"Aggressors" discuss possible locations to catch students who are going through a ground survival refresher course at Schofield Barracks, Hawaii, on Thursday, May 4, 2006. The course provides realistic training for aircrew members and concentrates on the principles, techniques and skills necessary to survive in any environment. The Airmen are from the 15th Civil Engineer Squadron at Hickam Air Force Base, Hawaii. (U.S. Air Force photo/Tech. Sgt. Shane A. Cuomo)