U.S. Navy Sailors assigned to U.S. Navy Cargo Handling Battalion 1 from Yorktown Naval Weapon Station, Virginia, help U.S. Army Soldiers from the South Carolina National Guard Army Aviation Support Facility load a UH-60 Black Hawk helicopter onto Military Sealift Command’s USNS Brittin at Joint Base Charleston Naval Weapons Station, S.C., Oct. 30, 2017. The helicopters are among several vehicles and supplies headed to Puerto Rico to aid in hurricane Maria relief efforts. (U.S. Air Force photo by Staff Sgt. Teresa J. Cleveland)