The Marine Corps is considering terminating the contract of an armored vehicle manufacturer vying for a piece of the $8.4 billion Mine Resistant Ambush Protected vehicle program after the company -- General Purpose Vehicles of New Haven, MI -- said it will need up to five additional months to produce a prototype. The company, one of nine awarded contracts in late January to build MRAP prototypes, missed the March 27 deadline by which all of the manufacturers were to deliver...