Expert Commentary

Columbia Class Submarine Improves Versatility, Endurance, and Stealth of the Triad

Admiral Jonathan Greenert
Former Chief of Naval Operations, U.S. Navy

This analysis is Cipher Brief Level I Member Only content. It can be accessed via login or by signing up to become a Cipher Brief Member.  Joining this high-level, security-focused community is only $10/month (for an annual $120/yr membership).

Cipher Brief Members engage in high-level conversations about national and global security issues every day. If you’re not already a member, you should be.

If you are experiencing any issues with signing up or signing in, please drop an email to support@thecipherbrief.com.

We look forward to welcoming you to the community!

Jonathan W. Greenert is a retired four-star admiral and former Chief of Naval Operations (2011-2015). Over the course of his 40 year Navy career, he served 15 years in the Asia-Pacific region including Deputy Commander, U.S. Pacific Fleet and Commander, U.S. Seventh (Asia-Pacific) Fleet, establishing enduring relationships with his foreign counterparts.  He also served as Commander, U.S. Atlantic Fleet, Chief Financial Officer (N8-Navy) and Vice Chief of Naval Operations. Admiral Greenert... Read More

Learn more about The Cipher Brief's Network here.