U.S. Coast Guard Petty Officer 1st Class Alex Major, an aviation survival technician, swims beneath the surface of the South China Sea during a training exercise, April 22, 2019. Major, an aircrew member temporarily assigned to the U.S. Coast Guard Cutter Bertholf (WMSL 750), deployed with the cutter during Bertholf’s Western Pacific patrol to participate in capacity building exercises and professional exchanges with partner nations. U.S. Coast Guard photo by Petty Officer 1st Class Alex Major.