If the Navy’s still seeking help in its motto department, it need look no further than its academy’s future football conference. The American Athletic Conference has officially debuted its new logo — that’s it on the right — along with a new website, which isn’t shy about touting the league’s impending success. Per the site: The league is about to “write a new chapter in the history of college athletics.” It “excels on every college athletic stage in every major sport.” It’s “The American,” for short, not the “AAC.” That’s too close to the ACC, league officials say. Logos with…