U. S. Air Force Gen. Mike Hostage, left, greets U.S. Army Lt. Gen. John Sterling, Deputy Commanding General and Chief of Staff, U.S. Army Training and Doctrine Command, at TRADOC Headquarters on Fort Eustis Mar. 29. Hostage toured TRADOC as part of his immersion at Joint Base Langley-Eustis to get an in-depth look at the mission. (U.S. Army Photo by Staff Sgt. Steven Schneider/Released)