IANAG (I am not a grunt), but both times I've done a beach landing in an AAV, the doors (at the rear of the vehicle) were always facing the water.
"There is an old song which asserts that "the best things in life are free". Not true! Utterly false! This was the tragic fallacy which brought on the decadence and collapse of the democracies of the twentieth century; those noble experiments failed because the people had been led to believe that they could simply vote for whatever they wanted… and get it, without toil, without sweat, without tears."