Lt. Roger Callahan speaks with camp medic Lt. Huy Phun about cold weather safety gear at the Applied Physics Lab Ice Station arctic camp during Ice Exercise March 21, 2009 in the Arctic Ocean. Two Los Angeles-class submarines, USS Helena and USS Annapolis are participating in the exercise with researchers from the University of Washington Applied Physics Laboratory and personnel from the Navy Arctic Submarine Laboratory.

---

Lt. Roger Callahan speaks with camp medic Lt. Huy Phun about cold weather safety gear at the Applied Physics Lab Ice Station arctic camp during Ice Exercise March 21, 2009 in the Arctic Ocean. Two Los Angeles-class submarines, USS Helena and USS Annapolis are participating in the exercise with researchers from the University of Washington Applied Physics Laboratory and personnel from the Navy Arctic Submarine Laboratory.

---

Size: 5150px × 3421px
Location: Arctic Ocean
Photo credit: © US Navy Photo / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: american, apl, camp, day, ecosystems, frigid, frozen, horizontal, ice, ice-covered, icex, military, navy, operations, outdoors, polar, research, sailors, science, snow, submarine, tour, touring, training, usa, winter