Board Thread:Game Discussion/@comment-212.143.231.38-20130822102116/@comment-11118722-20130822115659

Assuming there are 3 sets of bot and alt (Red Alert, Tracks and Prowl) and they all have equal chance of popping this is just like rolling a die 5 times and getting a 1 every time.

Odds are 1 in 7776, so it'll happen occasionally...