U.S. Navy Names Fourth Expeditionary Sea Base Ship, ESB 6, As USS John L. Canley

The U.S. Navy will name its fourth Expeditionary Sea Base (ESB) class ship as USS John L. Canley (ESB 6) in honor of Medal of Honor Recipient Marine Corps Sergeant Major (Retired) John L. Canley.

The naming of the vessel was announced by Secretary of the Navy (SECNAV) Kenneth J. Braithwaite on Nov. 10.

“To honor the remarkable Vietnam generation on this 245th birthday of the United States Marine Corps, ESB-6 will be named USS John L. Canley to honor a man who has exemplified all that has made our service strong, and our Nation thrive,” said Braithwaite. “Then-Gunnery Sergeant Canley led his men through the Battle of Hue City, going above and beyond the call of duty as he carried wounded Marines to safety and drove the enemy from a fortified position. His courageous actions resulted in the award of the Medal of Honor, as well as the enduring gratitude of our Nation.”

Canley was awarded the nation’s highest honor 50 years after his actions serving as Company Gunnery Sergeant, Company A, First Battalion, First Marines, First Marine Division in the Republic of Vietnam from January 31 to February 6, 1968 during the Battle of Hue City.

While serving as Company Gunnery Sergeant, Canley fought off multiple enemy attacks as his company moved along a highway toward Hue City to relieve friendly forces who were surrounded. On several occasions, despite his own wounds, he rushed across fire-swept terrain to carry wounded Marines to safety.

When his commanding officer was severely wounded, he took command and led his company into Hue City. While in command of the company for three days, he led attacks against multiple enemy-fortified positions while exposing himself to enemy fire to carry wounded Marines to safety. On Feb. 6, at a hospital compound, he twice scaled a wall in full view of the enemy to aid wounded Marines and carry them to safety. Canley’s heroic actions saved the lives of his teammates.

“Sgt. Maj. Canley embodies the spirit of honor, courage and commitment. Sgt. Maj. Canley represents a generation of Marines who have sacrificed and fought for our way of life. His actions in Vietnam forever changed the lives of so many Marines around him. His legacy will continue to live on,” said Gen. David H. Berger, Commandant of the Marine Corps.

Canley was originally awarded the Nation’s second highest honor, the Navy Cross, for his action during the Battle of Hue City, but this was upgraded to the Medal of Honor, which was presented October 17, 2018 during a ceremony at the White House.

His personal awards include a Bronze Star with combat “V,” Purple Heart, Navy and Marine Corps Commendation Medal with combat “V,” and the Combat Action Ribbon. Additional awards and decorations include four Presidential Unit Citations, seven Marine Corps Good Conduct Medals, two Marine Corps Expeditionary Medals, two National Defense Service Medals, the Armed Forces Expeditionary Medal, nine Vietnam Service Medals, two Republic of Vietnam Gallantry Crosses, the Korean Defense Service Medal, three Sea Service Deployment Ribbons, the Republic of Vietnam Meritorious Unit Citation, the United Nations Service Medal, the Republic of Vietnam Campaign Medal with 1960 Device, the Rifle Expert Badge (11th Award), and the Pistol Expert Badge (16th Award).

Canley was born in Caledonia, Arkansas, and enlisted in the United States Marine Corps in Little Rock. He retired from the United States Marine Corps in 1981 and continues to serve his community and Marine Corps family today.
“ESB vessels will deploy Marines of the future carrying the name of Marines of the past,” said Braithwaite. “They are leaders who truly embodies our core values of honor, courage and commitment, and the future crew of USS John L. Canley, both Sailors and Marines, will carry on his legacy, character and professionalism throughout the lifespan of this vessel.”

The future USS John L. Canley (ESB 6) is currently under construction at General Dynamics NASSCO shipyard in San Diego, California.

Expeditionary Sea Base (ESB)-class ships

The Expeditionary Sea Base (ESB) is a sub-class of the Montford Point-class Expeditionary Transfer Dock (ESD) ships operated by the U.S. Navy and Navy’s Military Sealift Command (MSC).

Built by General Dynamics NASSCO, the Montford Point-class is currently comprised of five ships across two variants: ESD and ESB. The company already delivered two ESDs, USNS Montford Point (T-ESD 1), and USNS John Glenn (T-ESD 2), and three ESBs, USS Lewis B. Puller (ESB 3), USS Hershel “Woody” Williams (ESB 4) and USNS Miguel Keith (ESB 5), to the Navy.

The ESB ship class is highly flexible that may be used across a broad range of military operations supporting multiple operational phases, similar to the ESD class. Acting as a mobile sea base, they are part of the critical access infrastructure that supports the deployment of forces and supplies to provide prepositioned equipment and sustainment with flexible distribution.

The ESB ships support Airborne Mine Countermeasure (AMCM) and Special Operations Force (SOF) missions in addition to humanitarian support and sustainment of traditional military missions.

The 784-foot-long vessels have an aviation hangar and a 52,000 sq. ft. flight deck that includes four operating spots capable of landing MV-22 Osprey and MH-53E Sea Dragon equivalent tiltrotor/rotary-wing aircraft, accommodations, workspaces, and ordnance storage for an embarked force. The platforms will also provide enhanced command and control, communications, computers, and intelligence (C4I) capabilities to support embarked force mission planning and execution. The reconfigurable mission deck area can store embarked force equipment including mine sleds and rigid hull inflatable boats (RHIBs).

In 2019, the Navy made the decision to commission all Expeditionary Sea Base ships to allow them to conduct a broader and more lethal mission set, compared to original plans for them to operate with a USNS designation. ESBs are commanded by a Navy O-6 with a hybrid-manned crew of military personnel and Military Sealift Command (MSC) civilian mariners. This designation provides combatant commanders greater operational flexibility as to how the platform is employed.



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