I notice that this year the parade will include two of the military academies.
U.S. Military Academy Pipes and Drums
http://www.usma.edu/uscc/dca/clubs/c...info/pipd.html
United States Naval Academy Pipes and Drums
http://www.usna.edu/Pipes/

and also the U.S. Coast Guard Pipe Band
http://www.uscgpipeband.org/