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I have beaten the SR3 missions on the PS3. But for one of the challenge I need to kill 50 stag commandos but I only have 16 killed so far. Can anyone help me get the rest of them, if so add FutureStorm2025 on PS3 and put STAG PARTY HELP in the message. Please respond if you can help me. I have tried finding one in match making but no luck