Chief Warrant Officer Christopher Cass, of Coast Guard Sector Honolulu, works with U.S. Coast Guard Activities Far-East on inspection and investigation work aboard commercial vessels in the Singapore Strait and the Strait of Malacca, Aug. 16, 2017. The straits are the busiest waterway in the world, with nearly 84,000 vessel transits each year. (U.S. Coast Guard photo by Chief Petty Officer Sara Muir/Released)

Photo by: Chief Petty Officer Sara Muir |  VIRIN: 170816-G-IA651-198.JPG