WASHINGTON, August 8--A female Marine Corps staff sergeant was convicted in June of using her Defense Department credit card to buy a car, a motorcycle, furniture, household goods--and a breast job, Defense Week has learned. Staff Sergeant Sherry Pierre, an active duty Marine who worked for Marine Forces Reserve headquarters command in New Orleans, used her Pentagon plastic to rack up $129,709 in goods, services and upgrades to her physique, a command spokesman confirmed. Pierre's previously unpublicized surgery may have given her a lift, but the tale is hardly uplifting. It is among the more egregious examples of a military...