Well, RWR is first choice of course, but if you see the thread there, you are painted by the SA-2 radar system and a launch is imminent, so you have to go defensive. SA-2 is not a high manoevrable missile, so go ECM fly towards the ground after chaffing, that should waste the missile
XenonS
How's that I cannot get STT in FF, BMS, AF? Humm...(keep that secret please...)