180921-N-SH284-0076 SPRINGFIELD, Mass. (Sept. 21, 2018) Fire Control Technician Seaman Ryan Walker and Machinist's Mate 1st Class Gabriel Muscella, both assigned to the Los Angeles-class attack submarine USS Springfield (SSN 761), set form boards in place while volunteering with Habitat for Humanity 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)