U.S. Navy Capt. Devin O’Neal, a CH-53E pilot with Marine Heavy Helicopter Squadron 466, 3rd Marine Aircraft Wing, plays the board game Battleship with a patient at the University of California San Francisco Benioff Children’s Hospital, San Francisco, Oct. 4, 2016. Marines and Sailors with I Marine Expeditionary Force and Third Fleet arrived on USS San Diego (LPD 22) to participate in San Francisco Fleet Week to demonstrate the Marine Corps’ ability to integrate with the Navy to provide the world’s premier crisis response force and to get a chance to meet the citizens of the hosting city. (U.S. Marine Corps photo by Sgt. Abbey Perria)