After Action is a Spin-Off of the Active Duty and Serpent's Hand R Ps, which themselves are RP spinoffs of the SCP Foundation. Confused yet? There's a lot of familiar people around After Action if you've followed Active Duty or Serpent's Hand, the setting basically allowing for a crossover of sorts. The story focuses on the the continued survival of a group called The Convoy, a bunch of O-23 remnants, Library rejects, Church splinters, and anyone who they pick up on the way.