Here are a few scans from the U.S. Army Aviation Digest which I thought might be of interest to this forum's members. One of them sheds some light on when Indian tribe names were adopted, while another one indicates when exactly the tri-service system came into being.
Indian names for Army Aircraft (July 1957)
proposed aerial vehicles in US Army armor units (1961)
The objectives of Army Aviation (1962)
New designations for Army aircraft (November 1962)
Army types (1959)
Army profiles (1962)
Army Aviation (1961)
Helo carrier
Tactical aviation support vehicle
-- Edited by Stargazer2006 on Sunday 18th of December 2011 10:37:10 PM