Marines aboard the amphibious assault ship USS Peleliu (LHA 5) conduct maintenance on an AV-8B Harrier assigned to the "Blacksheep" of Marine Attack Squadron Two One Four (VMFA-214). Peleliu and Expeditionary Strike Group Three (ESG-3) are underway off the coast of Southern California conducting their Joint Task Force Exercise (JTFEX) in preparation for an upcoming deployment. www.navy.mil