Chocks and Chains Sailors present chocks and chains to the pilot of a Marine Corps CH-53E Super Stallion helicopter before it takes off from the flight deck of the USS America during routine flight operations in the U.S. 5th Fleet area of responsibility, Sept. 3, 2017. Navy photo by Seaman Apprentice Chad Swysgood SHARE: Download: Full Size (0.94 MB) Credit: Seaman Apprentice Chad Swysgood VIRIN: 170903-N-ZQ712-081C.JPG Photo Gallery