See related story: Shoot 'Em Up and Join the Army

While most game companies at E3 called in scores of PR people to promote their games, the makers of America's Army called in, well, the Army.
Jeremy Barna
When visitors arrived at the Los Angeles Convention Center for this year's Electronic Entertainment Expo, they were greeted by soldiers and armored vehicles. To their surprise, it had more to do with fun and games, than security.
Jeremy Barna
Lock and load!
U.S. Army
Maps within the game allow players to choose a division and location to train at.
U.S. Army
Taking close aim at the 300 meter target at basic rifle marksmanship training.
U.S. Army
Using Night Vision Goggles (NVGs), US Army soldiers hold a distinct advantage over the enemy.
U.S. Army