WASHINGTON, July 31 -- The Congressional Research Service issued the following report (No. R41129) on July 30, 2021, entitled "Navy Columbia Class Ballistic Missile Submarine Program: Background and Issues for Congress" by naval affairs specialist Ronald O'Rourke: * * * Summary The Navy's Columbia (SSBN-826) class ballistic missile submarine (SSBN) program is a program to design and build a class of 12 new SSBNs to replace the Navy's current force of 14 aging Ohio-class SSBNs. Since 2013, the  more