WASHINGTON, March 23 (TNSrep) -- The Congressional Research Service issued the following In Focus white paper (No. IF11826) on March 21, 2025, by naval affairs specialist Ronald O'Rourke. Here are excerpts: * * * Navy Next-Generation Attack Submarine (SSN[X]) Program: Background and Issues for Congress Introduction The Navy has been procuring Virginia-class nuclear powered attack submarines (SSNs) since FY1998. The Navy's envisaged successor to the Virginia-class design is the Next-Generati more PR