191005-N-PI330-0001 ATLANTIC OCEAN (Oct. 5, 2019) Fire Controlman 2nd Class Grant Allen, from Greenville, South Carolina, makes his way through the ship to apprehend an active shooter during an anti-terrorism training team drill aboard the Ticonderoga-class guided-missile cruiser USS San Jacinto (CG 56). San Jacinto is underway conducting normal operations. (U.S. Navy Photo by Mass Communication Specialist 3rd Class Andrew Waters/Released)