June 4, 2007 -- Defense Secretary Robert Gates has assigned a DX rating to the Mine Resistant Ambush Protected Vehicle program, giving it priority for critical resources such as tires and steel. Gates issued his decision in a June 1 memo, a copy of which was obtained by Inside the Navy . The memo, which was sent to Navy acquisition executive Delores Etter, Pentagon acquisition chief Kenneth Krieg and other officials, adds teeth to Gates' previous decision to label the...