On August 28, the current largest U.S. defense contractor, Lockheed Martin (NYSE: LMT), received a $5 billion contract from the U.S. Army to produce and maintain necessary military and defense equipment.The contract envisions allocating$3.9 billion to the manufacturing of F-35 Lightening II aircraft, its maintenance, and upgrades, while the other $1 billion is aimed at funding the maintenance of F-35 Joint Strike Fighter (JSF) laboratory facilities and F-35 developmental flight test activities.This contrac ...