In a recent exercise, U.S. Marines and sailors worked with Latvian Army troops to clear woods and build a warren of trenches designed for drone warfare.
Alex Garland and SEAL veteran Ray Mendoza's "Warfare" is as realistic and detailed a portrayal of Iraq War combat as anything that’s ever been created.
The Army's research facility includes a permafrost tunnel — about a third of a mile long — that has Ice Age-era animal bones jutting out from the walls.