Can't remember exactly, but some game publisher tried to cooperate with some of the pirates sites, by allowing them to sell the legal version with the pirates getting a cut of the profits.
Can't find the article on Tomshardware.com tho :(
If it was a GBU-1#, most likely what you was seeing is the way bang-bang works.
As for JDAM, see if you can get anything from this thread: http://forums.eagle.ru/showthread.php?t=58989