Coast Guard Cutter Polar Star in the Bering Strait, 83-year vigil of the Tomb of the Unknown, and B-52 refueled over Central Command area, and more in this week's Frontline Photos.
Snow at Davis-Monthan Air Force Base, well-deck operations aboard the USS Essex, National Guard troops in Washington, and more in this week's Frontline Photos.
Soldiers train in Hawaii, sailors conduct night flight ops in the North Arabian Sea, Marines participate in live-fire exercises in Japan and more in this week's Frontline Photos