SAN DIEGO (Sept. 24, 2020) Maria Luz V. Roberto, left, a civilian working with the Armed Services Blood Program, draws blood from Lt. Andrew Cherrenfro, a native of Orlando, Fla., during a blood drive on the mess decks of Nimitz-class nuclear aircraft carrier USS Carl Vinson (CVN 70). Vinson is currently pierside in its homeport of San Diego. (U.S. Navy photo by Mass Communication Specialist Seaman Jeff D. Kempton)