As insurgents continue to use improvised bombs to attack U.S. military vehicles in Iraq, officials are growing increasingly concerned that the lack of heavy armored vehicles is putting U.S. forces at risk. Defense officials said yesterday they are working to increase the number of armored Humvees for Operation Iraqi Freedom but said the 2,000 specially armored trucks there account for only half the Army's estimated requirements. Standard Humvees, considered utility vehicles similar to jeeps, are too vulnerable to attack, officials said. Gen. Richard B. Myers, chairman of the Joint Chiefs of Staff, said yesterday that every armored Humvee in the...
