The following is the June 12, 2024, Congressional Research Service report, Navy Virginia-Class Submarine Program and AUKUS Submarine (Pillar 1) Project: Background and Issues for Congress/
From the report
Virginia-class submarine program. The Navy has been procuring Virginia (SSN-774) class nuclear-powered attack submarines (SSNs) since FY1998, and a total of 40 have been procured through FY2024. From FY2011 through FY2024, they have been procured at a rate of two per year. When procured at that...
https://news.usni.org/2024/06/19/report-to-congress-on-virginia-class-submarine-program-aukus