The guy with the tripod is the #1. The number 2 carries the gun. I was crew on a 1919A4 for a while and there was only two of us. The book calls for three and a DC. I swapped back and forth with him, he was a guy I went to high school with strange enough... The 30 cal ammo wasn't as bad as the .50 anyway. I got lucky in Australiaicon and was issued the M60 for the experience of it. I argued because I was the normal #2 then I'd have the 1919A4 so why don't I get the M60 instead of an M16A1? It worked. Trust me too, those packs they have are nothing compared to the heavy ALICE we adopted from the Arctic US troops...

By the way, my back has lots of issues but they aren't from the .30 cal...I'm ok most days.