Oshkosh Truck Corp. has won a contract that could be worth $1 billion for various heavy trucks and trailers from the Army, the Defense Department announced today. The sole-source deal, awarded by the Army's Tank-Automotive and Armaments Command, Warren, MI, starts out with $120.7 million but has a potential value of exactly $1 billion, according to DOD. The Oshkosh, WI-based company, which is the Army's primary heavy truck provider, will build 769 M1075 Palletized Load System trucks and chassis; 1,180...