Army Sgt. 1st Class Randall Summerford, a native of Oxnard, Calif., rigs his rucksack for a parachute jump as fellow soldiers assigned to the 4th Infantry Brigade Combat Team (Airborne), 25th Infantry Division, U.S. Army Alaska, and Coast guardsmen assigned to the Coast Guard Container Inspection Training Team, prepare containers with hazardous materials for transport to the port of Anchorage and follow on movement to the Joint Readiness Training Center at Fort Polk, La., on Joint Base Elmendorf-Richardson, Alaska, Feb. 26, 2014. Justin Connaher

Army Sgt. 1st Class Randall Summerford, a native of Oxnard, Calif., rigs his rucksack for a parachute jump as fellow soldiers assigned to the 4th Infantry Brigade Combat Team (Airborne), 25th Infantry Division, U.S. Army Alaska, and Coast guardsmen assigned to the Coast Guard Container Inspection Training Team, prepare containers with hazardous materials for transport to the port of Anchorage and follow on movement to the Joint Readiness Training Center at Fort Polk, La., on Joint Base Elmendorf-Richardson, Alaska, Feb. 26, 2014. Justin Connaher

PJF Military Collection / Alamy Stock Photo

Image ID: HEAAMK

This image is a public domain image, which means either that copyright has expired in the image or the copyright holder has waived their copyright. Alamy charges you a fee for access to the high resolution copy of the image.