By Pentagon Producer Larry Shaughnessy at Yokota Air Base, Japan
About three dozen US military hats lay on the floor of a hanger at Yokota Air Base. The brownish hats are officially called Marine utility covers. The greyish hats are Air Force BDU Caps.
The troops who own the covers and caps were nearby in the hanger listening to an address by Secretary of Defense Leon Panetta (aka SecDef for those into shorthand) . Because they were inside, military regulations dictate that they remove any head coverings, hence the herd of hats on the floor.