A 22-year old kid and his 25-year old ex-masseuse brother run a company called AEY, Inc. They won a rather sizable contract to supply the Afghan National Army with ammunition for their fight against the Taliban. Along the way they developed a relationship with shady international arms dealers, 40-year old Albanian surplus bullets, and a penchant for rotting Chinese metal.
CJ Chivers has the whole story, which spans several continents. This is, sadly, not atypical for how these wars have been conducted—that is to say, downright sloppily.