Yep, Boneyard Rendezvous nailed it with his explanation!

FatA=Fowler? I was the driver of that AAV when Gen Zinnni was onboard. We just made it past the surf zone and the cargo area filled with exhaust everyone was puking in the back. About an hour later Zinni was the first one to hop on the navy rescue boat then the grunts. He told us to get on also, but we declined to…