Guess life imitates art then. Brits were first though to start arming their MPA operationally when they faced the Arggies off the Falklands in the early 80s...
RAF Nimrod with dual mounted Sidewinders. Integration was rapidly improvised in less than two days after an encounter with an Argentine 707. Some thought was given to mounting them forwards and aft to defend themselves against Argentine Mirage interceptors, but rearward firing missiles have aero issues (negative Velocity to 0 to positive is problematic...note: Russian tear sheet addresses that issue in the text).