On March 4 2002 a team of SEALs was choppered onto a hostile Afghan mountain peak as part of Operation Anaconda. The largest operation by US forces since Vietnam it was intended to bring to battle foreign al-Qaeda fighters who had fled after the overthrow of the Taliban & the battle of Tora Bora. But when their special ops Chinook was hit by RPGs it marked the beginning of the SEALs' epic day-long battle for survival which involved Coalition special forces gunships & Predators in a 17-hour firefight against the al-Qaeda guerrillas.