170309-N-NN369-060 NEWPORT NEWS, Va. (March 9, 2017) Sailors assigned to the Nimitz-class aircraft carrier USS Abraham Lincoln (CVN 72) install the barricade on the flight deck. Abraham Lincoln is in the final stages of a four-year refueling and complex overhaul and will be delivered back to the fleet in early 2017. (U.S. Navy photo by Mass Communication Specialist 3rd Class Jessica Paulauskas/Released)