Just a tid-bit - all I could find.....
http://www.philxmilstein.com/probe/pix/PostSadler/
Down near the bottom - ....."Paul Lavalle accepts citation from Major Daniel Baldwin of the U.S. Army Special Forces for being the first non-military band to perform 'The Green Beret' march (June 14, 1965)" (detail from LP back cover):.........