The Army set 24 November 1964 as the deadline for proposal submission and expected to determine a winner and award a contract by 1 November 1965. Twelve companies submitted proposals for the AAFSS, but the Army realized that it would need an interim measure to fill the immediate need for an attack helicopter while the AAFSS was fully developed.
The idea of permanent divisions percolated throughout the U.S. Army for at least twenty years prior to 1917. The basic formation for more than a century had been the single arm regiment. Temporary “divisions” had been formed in the Civil War and the Spanish-American War to consolidate commanders’ span of control and to combine infantry and field artillery. While the major European powers organized divisions in the late nineteenth and early twentieth centuries,