Construction Battalion Maintenance Unit THREE ZERO THREE

Construction Battalion Maintenance Unit THREE ZERO THREE

Headquartered aboard Naval Base San Diego, CBMU 303 serves the United States Pacific Fleet with a Detachment in Pearl Harbor, HI.

History
Construction Battalion Maintenance Units originated during World War II when 136 units were established. During the Vietnam Conflict two units were activated, CBMU 301 and 302. Following Vietnam, CBMU 302 was retained and during recent realignment CBMU 202 and 303 were formed. CBMU 303 was commissioned on August 21, 1993 at U.S. Naval Station Treasure Island, San Francisco, CA. The unit wa

s formed from components of Public Works Center Guam, Subic Bay, Yokosuka/Pearl Harbor, Naval Mobile Construction Battalions TWO, SIXTEEN and EIGHTEEN. CBMU 303 was initially headquartered at Treasure Island with four detachments located in San Diego, Treasure Island, Bremerton Washington and Honolulu Hawaii. In September 1994, the Headquarters was relocated to San Diego, California and detachment were realigned to San Diego, Alameda, California, Moreno Valley, California and Honolulu, Hawaii. Although CBMU 303 is a relatively young command its personnel were consolidated from predecessor commands which have a history in support of the one Navy concept. With the call-up of PWC Subic Bay, elements of PWC Yokosuka and NMCB 16, the reserve CBMU mission was exercised and accomplished. Approximately one third of CBMU 303's members were activated to either support the civilian strike at Subic Bay and then continued on to Southwest Asia at various sited in Saudi Arabia, Bahrain, Qtar and Kuwait, or to relieve NMCB 4 from Roosevelt Roads, Puerto Rico so NMCB 4 could be deployed to Saudi Arabia. In addition to its involvement during Desert Shield/Desert Storm, CBMU 303 has also distinguished itself in Seabee history by creating the Marvin Shields Memorial, located in Gardiner, Washington, for the only Seabee to be awarded the Medal of Honor. Other projects include building restorations/modifications, power supply at the Navy's Survival Training Site, pre-engineered buildings and virtually all other aspects typically associated with CBMU's. Command Overview
Welcome to the CBMU 303 Mainbody Facebook Fan page. This page is intended to provide updated information and discussion on CBMU 303 Mainbody. Please visit our official homepage at https://www.seabee.navy.mil/. While this is an open forum, it's also a family friendly one, so please keep your comments and wall posts clean. In addition to keeping it family friendly, we ask that you follow our posting guidelines here. Comments and posts that do not follow these guidelines will be removed:

-We do not allow graphic, obscene, explicit or racial comments or submissions nor do we allow comments that are abusive, hateful or intended to defame anyone or any organization.

-We do not allow solicitations or advertisements. This includes promotion or endorsement of any financial, commercial or non-governmental agency. Similarly, we do not allow attempts to defame or defraud any financial, commercial or non-governmental agency.

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-You participate at your own risk, taking personal responsibility for your comments, your username and any information provided.

- For Official Use Only (FOUO), classified, pre-decisional, proprietary or business-sensitive information should never be discussed here. Don't post personnel lists, rosters, organization charts or directories. This is a violation of privacy. The appearance of external links on this site does not constitute official endorsement on behalf of the U.S. Navy or Department of Defense. You are encouraged to quote, republish or share any content on this page on your own blog, Web site or other communication/publication. If you do so, please credit the command or the person who authored the content as a courtesy (photo or article byline can be U.S. Navy or MC2 Joe Smith, for example). Thank you for your interest in and support of the men and women of CBMU 303 Mainbody. Please contact EO2 Arredondo or EA3 Montefalcon with any questions or concerns in regards to CBMU 303 Mainbody's Facebook.

Congratulations to the Navy’s newest Master Chief, Terry King. Master chief King has been with CBMU 303 for almost 4 yea...
04/28/2025

Congratulations to the Navy’s newest Master Chief, Terry King. Master chief King has been with CBMU 303 for almost 4 years now where he dedicates his time to helping sailors in any way possible. CBMU 303 is extremely thankful for all you have done and wishes you the best of luck in your future duties as a Master Chief.

(U.S. Navy Photo by Construction Electrician Second Class Kara Batchelor/Released)

Today we congratulate EO2 Yvonne Rodriguez on her decision to stay in the world’s strongest Navy. CBMU 303 wishes you an...
04/11/2025

Today we congratulate EO2 Yvonne Rodriguez on her decision to stay in the world’s strongest Navy. CBMU 303 wishes you and your family the best in your future endeavors!

(U.S. Navy photos by Construction Electrician 2nd Class Kara Batchelor/Released)

Our bee has arrived to it next resting place!
03/22/2025

Our bee has arrived to it next resting place!

Today, we congratulate CM1 Emmanuel Vazquez on his decision to stay in the world's strongest Navy. CBMU 303 wishes you a...
03/12/2025

Today, we congratulate CM1 Emmanuel Vazquez on his decision to stay in the world's strongest Navy. CBMU 303 wishes you and your family the best in your future endeavors!

(U.S. Navy photos by Construction Electrician 2nd class Alexzander Petitt /Released)

Today, we congratulate CE2 Gabriel Tapiavalerio on his decision to stay in the world's strongest Navy. CE2 contributed g...
03/12/2025

Today, we congratulate CE2 Gabriel Tapiavalerio on his decision to stay in the world's strongest Navy. CE2 contributed greatly to our Physical training program while being the Command assistant CFL (Command Fitness Leader). CBMU 303 wishes you and your family the best in your future endeavors.



(U.S. Navy photos by Construction Electrician 2nd class Alexzander Petitt /Released)

At the end of February our bees had the opportunity to attend Navy Week in Tucson, Arizona, engaging with approximately ...
03/11/2025

At the end of February our bees had the opportunity to attend Navy Week in Tucson, Arizona, engaging with approximately 1.3 million people across 12 communities. From building homes with habitat for humanity to going to the schools around the area and showing what being a Seabee is all about! They were the forefront of our image as Seabees and did a tremendous job doing so. Bravo Zulu to our bees. You owned it!

03/05/2025
We're back from the holidays and are in full swing! Starting with a full list of recognitions and awards for all of our ...
01/22/2025

We're back from the holidays and are in full swing! Starting with a full list of recognitions and awards for all of our Seabees and sailors achievements before, during, and after the holiday stand down. Congrats to all of our Awardees, and recently promoted sailors!

Today we congratulate EO2 Ryan Cooke on his decision to stay in the worlds strongest Navy. CBMU 303 wishes you and your ...
12/20/2024

Today we congratulate EO2 Ryan Cooke on his decision to stay in the worlds strongest Navy. CBMU 303 wishes you and your family the best on your future endeavors.



(U.S. Navy photos by Construction Electrician 2nd class Kara Batchelor /Released)

Today we congratulate CM2 Joseph Gray on his decision to stay in the worlds strongest Navy. CBMU 303 wishes you and your...
11/19/2024

Today we congratulate CM2 Joseph Gray on his decision to stay in the worlds strongest Navy. CBMU 303 wishes you and your family the best on your future endeavors.



(U.S. Navy photos by Construction Electrician 2nd class Alexzander Petitt /Released)

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San Diego, CA

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