U.S. Army soldiers call in an operation schedule.
U.S. Army soldiers assigned to the 4th Battalion, 10th Special Forces Group call in an operation schedule during Emerald Warrior 2011 in Tallahassee, Fla., on March 2, 2011. Emerald Warrior is an annual two-week joint/combined tactical exercise sponsored by U.S. Special Operations Command to provide realistic training opportunities to conventional and special operations forces.