PORTSMOUTH, Va. (May 1, 2021) USS Toledo (SSN 769) is the next submarine overhaul at Norfolk Naval Shipyard (NNSY) to implement NSS-SY improvements. Toledo has been undergoing an extensive Engineered Overhaul since arriving at NNSY in Jan. 2021. Leveraging NSS-SY initiatives comes at an important time as the project team shifted to the more extensive maintenance once the boat entered dry dock in May. (U.S. Navy photo by Shelby West)