210904-N-RO680-1007 PACIFIC OCEAN (Sept. 4, 2021) Lt. Cmdr. Leigha Groves, command judge advocate of Nimitz-class aircraft carrier USS Carl Vinson (CVN 70), prepares to donate blood during a walking blood bank aboard Vinson, Sept. 4, 2021. During a walking blood bank, fresh blood is drawn from a pre-tested donor pool for immediate use in the event of a bleeding casualty. Carl Vinson Carrier Strike Group is on a scheduled deployment in the U.S. 7th Fleet area of operations to enhance interoperability with allies and partners while serving as a ready-response force in support of a free and open Indo-Pacific region. (U.S. Navy photo by Mass Communication Specialist 3rd Class Erin C. Zorich)