Among the victims were Joseph V. Maggitti, an Abingdon resident, who was killed at the World Trade Center in New York City; retired Army Staff. Sgt. Willie Q. Troy, an Aberdeen Proving Ground resident, who was killed at the Pentagon in Virginia; and Deborah Jacobs Welsh, whose husband, Patrick, was from Bel Air. Mrs. Walsh, a flight attendant, was killed when United Airlines Flight 93 crashed near Shanksville, Pa., after being hijacked by the terrorists.