Petty Officer Third Class Jacob Hightower, a casualty evacuation corpsman for Marine Aircraft Group 40, Marine Expeditionary Brigade-Afghanistan, breaks down the 9 mm pistol and answers questions asked by Chief Petty Officer Kenneth McNeil, the leading petty officer for medical plans, during the weapons fundamentals portion of the practical application test here, June 10, 2009. Hightower earned the MEB-Afghanistan Sailor of the Quarter, Dec. 26, 2009 for the last quarter of 2009.