wrote:
Here's a computer recreation of the accident, which
the Air Force had removed from YouTube claiming copyright
infringement,

I thought government-generated works could not, in general, be copyrighted?
At least that is what it says he

http://www.copyright.gov/title17/92chap1.html#105

"Copyright protection under this title is not available for any work of the
United States Government, but the United States Government is not precluded
from receiving and holding copyrights transferred to it by assignment,
bequest, or otherwise."

And he
http://www.copyright.gov/circs/circ1.html#piu