Some could possibly leak out,...but I really doubt it.
The only people around the body were military. If there was a ‘real’ leak, then it could be easily traced to the chopper or the CV, carrier(ship).
Whomever would do it, would be in Leavenworth for most of the rest of his life.
C'mon now. You know that everyone (especially the O's) in the AO would want to take pictures, be in on, or just look at the corpse. The staff pukes were always the worst when it came to safeguarding classified materials.