180920-N-SH284-2017 SPRINGFIELD, Mass. (Sept. 20, 2018) Lt. Cmdr. Mark Ewachiw, the reactor electrical assistant aboard the aircraft carrier USS Nimitz (CVN 68), and Springfield, Mass., resident, fields questions from students at Elias Brookings Elementary School during Springfield Navy Week. Navy Weeks are designed to connect the public with Navy Sailors, programs and equipment throughout the country. Every year, America's Navy comes home to approximately 15 cities across the country to show Americans why having a strong Navy is critical to the American way of life. (U.S. Navy photo by Mass Communication Specialist 2nd Class Vaughan Dill/Released)