This is what both coaches need to go over with their teams during halftime. For Army coach Rich Ellerson: Coverage by the secondary must tighten on Navy receivers. They are letting Navy’s wide receivers run free. The offensive line and receivers must maintain the blocks. Too often they are allowing Navy to come off initial contact and make tackles for a loss or no gain. The offense has got to make first downs. Each one of these three-and-outs is wearing down Army’s defense. For Navy coach Ken Niumatalolo: HOLD the ball. I’m looking at you Ricky Dobbs, who fumbled three…