Decepticon boot camp

Decepticon boot camps are training facilities owned and maintained by the Decepticon faction to prepare new recruits for warfare. Tip: Kill a teacher or two to graduate with honors.

Marvel Comics continuity
Millions of years ago, Triggerhappy accidentally killed about six of his teachers when he bumped his head during training and didn't stop firing his proton machine gun bullets around. The camp's commander lauded him for his lethal expertise and graduated him on the spot.