Andrew Milligan/PA Images via Getty Images
Leonid Faerberg/SOPA Images/LightRocket via Getty Images
Official White House Photo by Carlos Fyfe
French defense ministry and EMMANUEL DUNAND/AFP via Getty Images
Eight thousand troops perform military exercises like hauling artillery, deploying attack helicopters, and parachuting into Alaska's Arctic tundra. Here's a closer look at their training and who they're preparing to battle.
U.S.
US Air Force/Senior Airman Joseph Pick
US Navy photo
Moscow has sought deals to buy back helicopter engines it previously sold to other countries.