"The coast? You're not Navy are you?" Sam says it half serious, but mostly joking in his tone. Even retired it's hard to shake old rivalries and preferences for a branch of the military. He was an Airman through and through, possibly more so now that he was using the EXO-7 suit on a regular basis. But, they're currently in a situation where Sam wouldn't necessarily mind a Navy-guy. They had some tough training too after all and Sam could appreciate that. Although, it is only an assumption, but clearly Raleigh is indicating that he's part of some kind of military branch.

Even if the Air Force was the best one.

Sam shakes his head, "I don't know much about that kind of thing. But, I see your point about a storm usually causing flooding like this more than anything. We haven't explored our surroundings enough to know much about the source of the river though." He glances upstream like that will magically reveal something, "Could it be a blockage of some kind? Like an avalanche or, hell, beavers? We don't even know if there are any beavers in the area do we?"