(Editor's Note: This story has been updated to reflect that Army acquisition executive Heidi Shyu signed an acquisition decision memorandum approving the purchase of 337 Stryker vehicles converted from standard flat-bottoms to more protected double-V hull configurations, while also making the DVH a fleet-wide requirement, and not Pentagon acquisition chief Frank Kendall as originally reported.) The Army is poised to purchase 337 Stryker vehicles that have been converted from standard flat-bottoms to more protected double-V hull configurations, while also...