CDR Gregory R. Koepp II

                              COMMANDING OFFICER

                            PCU COLORADO (SSN 788)


Commander Koepp, a native of Picayune, Mississippi, graduated from Louisiana State University with a Bachelor of Science degree in Physics.  He received his commission through the Nuclear Propulsion Officer Candidate program after completing Officer Candidate School in Pensacola, Florida.

Upon completion of nuclear power training and the Submarine Officer Basic Course in 2002, CDR Koepp reported onboard USS TENNESSEE (SSBN 734) in King’s Bay,

Georgia serving as a division officer in engineering and tactics while completing four strategic deterrent patrols.  In 2005, he reported ashore to Commander Navy Recruiting Command as Nuclear Training and Accessions Officer in Millington, Tennessee.

Following Submarine Officer Advanced Course in 2007, CDR Koepp relieved as the Navigation and Operations Officer onboard USS VIRGINIA (SSN 774) in Groton, Connecticut. During this tour, the ship deployed to the European Command and African Command Areas of Responsibility and was awarded the Battle “E” in 2008 and 2009. In 2010, he reported ashore to Commander Submarine Squadron Four as the Squadron Operations Officer in Groton, Connecticut.

In 2013, upon completion of Submarine Command Course, CDR Koepp relieved as Executive Officer onboard USS BUFFALO (SSN715) in Pearl Harbor, Hawaii. During this tour, the ship completed a Pre-Inactivation Restricted Availability and a Theater Anti-Submarine Warfare Surge Deployment.  In 2015, he reported ashore to Nuclear Power Training Unit in Charleston, South Carolina as Executive Officer.

CDR Koepp has completed a Masters in Engineering Management degree at Old Dominion University in Norfolk, Virginia and Joint Professional Military Education through the Air University Air Command and Staff College and National Defense University.


LCDR Col-sm-001

LCDR Stephen Col

                             LCDR Stephen Col

                            EXECUTIVE OFFICER

                       PCU COLORADO (SSN 788)


Lieutenant Commander Col is a native of Modesto, California.  He was selected for the Nuclear Propulsion Officer Candidate Program and earned a Bachelor of Science Degree in Computational Physics from University of Nevada – Las Vegas and commissioned through Officer Candidate School in 2003.

Following completion of nuclear power training, he reported to USS ALASKA  (SSBN 732) (GOLD) in 2005 where he served as Electrical Assistant, Main Propulsion Assistant, Damage Control Assistant, and Assistant Engineer.  USS ALASKA (GOLD) completed two strategic deterrent patrols, one Follow-on Commander’s Evaluation Test, and a change of homeport to Norfolk Naval Shipyard for an Engineered Refueling Overhaul.

Lieutenant Commander Col attended the Submarine Officer Advanced Course in 2010.  Upon graduation, he reported to USS TOPEKA (SSN 754) as the Engineer Officer. While onboard, the ship completed deployments to U.S. Southern Command Area of Responsibility and to the Western Pacific, and conducted an Arctic transit to Portsmouth Naval Shipyard for an Engineered Overhaul.

Lieutenant Commander Col reported to PCU COLORADO (SSN 788) in October 2015 as Executive Officer.

Ashore, Lieutenant Commander Col’s assignments have included earning a Master of Science Degree in Engineering Acoustics from Naval Postgraduate School, and Naval Submarine School.  His awards include the Navy and Marine Corps Commendation Medal (3 awards) and Navy and Marine Corps Achievement Medal (2 awards).


ETVCM (SS) Freddie Richter




Master Chief Richter was born in Garfield, New Jersey and entered the Navy in May of 1999.  Upon completion of recruit training at Great Lakes, Illinois and Basic Enlisted Submarine School (BESS) in Groton, Connecticut, he attended Electronics Technician “A” School in Groton.

His first operational command was onboard USS HONOLULU (SSN 718) in Pearl Harbor, HI.  Onboard the USS HONOLULU he completed his submarine warfare qualification, two Western Pacific deployments and one CENTCOM deployment before attending Electronics Technician “C” School in Groton.  Upon graduation, he transferred to the USS HELENA (SSN-725) in April of 2004 as the Navigation Leading Petty Officer.  Following his tour onboard the USS HELENA, Master Chief Richter reported to Submarine Learning Facility (SLF) in Norfolk, Virginia in June 2006.  It was on this tour where he was advanced to Chief Petty Officer and qualified as a Master Training Specialist.  Following his tour at SLF, he reported back to Pearl Harbor onboard the USS HAWAII (SSN 776) for duty as the Assistant Navigator.  He completed two highly successful Western Pacific Deployments, earned the 2010 and 2012 SUBRON 1 Battle “E”, two consecutive Red and Green Navigation “N”, advanced to the rank of Senior Chief Petty Officer and completed qualification as a Chief of the Boat.

In June 2013, he reported as the Assistant Navigator on the staff of Naval Submarine School.  Here he trained future submarine Assistant Navigators while preparing eighteen homeported submarines for deployment to the North Atlantic and Middle East AOR and was advanced to Master Chief Petty Officer.

In November 2015, he was selected to serve as a Chief of the Boat, completed the Senior Enlisted Academy course and Command Master Chief/Chief of the Boat Capstone course before reporting to the PCU COLORADO (SSN 788) in May of 2016 as Chief of the Boat.

Master Chief Richter is authorized to wear the Navy and Marine Corps Commendation Medal (four awards), Navy and Marine Corps Achievement Medal (seven awards) and numerous unit and campaign awards.


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