PHILIPPINE SEA (Oct. 23, 2021) Ensign Paul Baclayon, from New York, prepares .50-caliber ammunition for 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)