"No Wider War" is the second volume of a two-part exploration of America's involvement in Indochina from the end of World War II to the Fall of Saigon.
Three Air Force bombers fly over the Super Bowl, the ghillie wash at the Army's Sniper School, a live-fire exercise at Camp Lejeune and more in this week's Frontline Photos.
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.