I suspect the 557th QM (which was still active in the early 1970s), may have switched at some point and time from the white to yellow version. If anybody is ON FIRE to solve this riddle; there is a simple solution.
Go to: http://rrrnc.tripod.com/
This is the website for the Retired Airborne Riggers' Reunion. They have a guestbook for people to post messages and I'm sure they would be willing to help out. Old Soldiers love to talk about their past.
Edited by CaptCav, 11 December 2007 - 11:31 AM.