I can't get a dialling tone does 10mg of amitriptyline cause weight gain Cartwright, 63, served as a career aviator after receiving his commission in 1971. He was deputy commander of the Marine Forces Atlantic, commander of the First Marine Aircraft wing and commander of U.S. Strategic Command before assuming his position as vice chairman in 2007. He retired in 2011 and is currently the Harold Brown chair in Defense Policy Studies at the D.C.-based Center for Strategic and International Studies.