Air Force photograph by Alejandro Pena

A1C Branden Sherwood, right, a firefighter from Tehachapi, Calif., assists Lt. Col. Joseph Cook, the squadron commander of the 673rd Civil Engineer Squadron, adjust his survival suit while conducting cold water and ice rescue training at Joint Base Elmendorf-Richardson, Alaska, Dec. 20, 2015. The training taught JBER firefighters self-rescue techniques and victim recovery, and certified them as ice-rescue technicians.
 

Air Force photograph by Alejandro Pena

Airman 1st Class Branden Sherwood, bottom, a native of Tehachapi, Calif., assigned to the 673d Civil Engineer Squadron, swims in a frigid lake while conducting cold water and ice rescue training at Joint Base Elmendorf-Richardson, Alaska, Dec. 20, 2015. The training taught JBER firefighters self-rescue techniques and victim recovery, and certified them as ice-rescue technicians.
 

Air Force photograph by Alejandro Pena

Airman 1st Class Branden Sherwood, a native of Tehachapi, Calif., creates a rope anchor utilizing the frozen lake surface while conducting cold water and ice-rescue training at Joint Base Elmendorf-Richardson, Alaska, Dec. 20, 2015.
 

Airman 1st Class Branden Sherwood, a native of Tehachapi, Calif., demonstrates a rope anchor utilizing the frozen lake surface while conducting cold water and ice rescue training at Joint Base Elmendorf-Richardson, Alaska, Dec. 20, 2015.