PHILIPPINE SEA (Oct. 23, 2021) Chief Gunner' s Mate Matthew Burke, left, from Gatesville, Texas, observes Yeoman 1st Class Keshawn Carpenter, from Baltimore, as he fires a .50-caliber machine gun during a crew serve weapons familiarization aboard the Ticonderoga-class guided-missile cruiser USS Antietam (CG 54). Antietam is attached to Commander, Task Force 70 and conducting underway operations in support of a free and open Indo-Pacific. (U.S. Navy photo by Mass Communication Specialist 2nd Class Samantha Oblander)