In 2007 the Chief of Staff of the Air Force read an article in the "Air Force Times" about airmen training in one of the systems that was being widely used, the LINE system, which had previously been used and replaced in both the Marine Corps and the Special Forces, and ordered a review of all hand-to-hand combat in the Air Force. He tasked the Air Education and Training Command (AETC) to form a study committee to plan a way forward.