CAMP 93, Kuwait Feb. 14 ? While other military units train for tank battles and air assaults in Iraq, Navy Seabees are laying concrete and refreshing their bridge-building skills.The Seabees, the Navy's construction force, may not be front-line soldiers, but their role paving roads and building bridges for tanks and Humvees in hostile territory may be nearly as important in the event of war in Iraq."We're here to support the force," said Naval Capt. William Rudich, commander of the 30th Naval Construction Regiment, based at Camp 93 in northern Kuwait.The Seabees whose name comes from a play on Construction Battalion,...