In article ,
says...

moose wrote:
Who taught the Marine silent drill team?

http://www.whc.net/rjones/USN/USN_team.html

Texas A&M Fish Drill Team who also were in the beginning of
"A Few Good Men".

http://www.fishdrillteam.com/

Somebody needs to find that barking seal and shoot him.

This is how you do drill:

http://www.youtube.com/watch?v=qv_Q9MtfRHk&NR=1