"Taken together, the inspector general found that the defense department did not properly account for almost USD 15b dollars," Waxman said.That's $15,000,000,000 US dollars.
$7,957,560 a day from March 23, 2003 to May 23, 2008.
Unaccounted for, not just spent, essentially missing.
It didn't disappear of course, it went somewhere.
We just don't get to know where.