SOUTH CHINA SEA—- Ensign Keith Masnec, from Chino Hills, Calif., shoots a bearing through the sextant on the bridge wing of Ticonderoga-class guided-missile cruiser USS Chancellorsville (CG 62) during a replenishment-at-sea with Henry J. Kaiser-class underway replenishment oiler USNS Yukon (T-AO-202). Chancellorsville is forward-deployed to U.S. 7th Fleet in support of security and stability in the Indo-Pacific and is assigned to Commander, Task Force 70, a combat-ready force that protects and defends the collective maritime interest of its allies and partners in the region.