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VADM Allan Rockwell "Rocky" McCann
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Birth: Sep. 20, 1896
North Adams
Berkshire County
Massachusetts, USA
Death: Feb. 22, 1978
San Diego
San Diego County
California, USA

Vice Admiral Allan Rockwell McCann was born in North Adams, Massachusetts. He entered the US Naval Academy at Annapolis Maryland in 1913. He graduated in 1917, and was assigned as a volunteer for Submarine service, and completed the Submarine School (Command Course), trained as a Structural Engineer he became a commander of several submarines which were in the commissioning or decommissioning phases. He was also assigned duties as Liaison to Argentina's Navy, at Groton Connecticut in their procurement of R-class submarines. He spent the ship command portion of his career commanding submarines in the operational fleet, primarily out of Coco Solo, Panama. In 1928 he was assigned to the Bureau of Construction and Repair, where he had duties designing and testing a submarine rescue chamber (which bears his name), he was also involved in the development of the Momsen Lung, the Mark V Hard Hat Diving suit, and in the founding of the Navy's dive school. Additional Duty, Liaison to the Wilkins Expedition, and the Conversion of Submarine 0-12 into the Nautilus. He was assigned in 1932 to the Pacific, serving as a submarine commander at Pearl Harbor, Long Beach, and San Diego, and later as a Damage Control Officer on a Cruiser, eventually elevating to the Cruiser Staff. He was involved in developing training and "Fleet Problems" for the Pacific fleet. In 1939 his Rescue Chamber was instrumental in saving 39 lives of the crew of the sunken submarine USS Squalus. He was operationally in-charge of the rescue Bell operations, and was commended for the job by President Roosevelt. Many on his rescue crew were awarded the Medal Of Honor. Prior to the December 7. 1941 attack at Pearl Harbor, he was assigned command of Submarine Squadron 6, and was there during the attack, afterwards he and his squadron participated in attempts to rescue trapped sailors in several capsized ships, then deployed to combat the Japanese. He was assigned by Admiral Lockwood to command a task force to the south pacific, and coordinate submarine actions from Australia. Later he commanded USS Iowa during the battle for Leyte Gulf, and the landing of General MacArthur at Luzon. He served on the US Navy Board, and as commander of the US Tenth Fleet, which was credited with the complete destruction of the Nazi submarine forces through coordinated use of intelligence information. The Tenth Fleet had no ships assigned but could call any resource of the allies to act swiftly. It was so effective the Tenth Fleet was dissolved before the war ended, mission accomplished. At the end of the war McCann was called to command Task Force 68, which took President Truman to Berlin for the conference at Potsdam. He was commended by President Truman. He then was placed in command of the Pacific Submarine fleet, after the war, where his first duty was to dispose of the Japanese Navy ships. Upon completion he focused on his other duties, and increasing submarine operational capabilities, notably the capacity of sub-arctic ice travel, and in "Operation Blue Nose" in 1947 explored under the Polar ice cap for the first time by submarine. He was assigned to become the Navy Inspector General, and was ordered by President Truman to investigate the other admirals who were actively resisting the loss of funding in favor of the USAF, caused by the National Defense Act of 1947. Upon completion of the investigation he retired from the US Navy as a Vice Admiral in 1951. He and his wife, the former Kathryn Gallup, retired to Winter Park, Florida. They stayed there for a decade then moved to Orange County California. The Admiral died in 1978 at the US Naval Hospital (Balboa), San Diego, and was buried at sea by the US Navy Submarine Squadron, San Diego. 
Family links: 
  Charles Orville Scism (1932 - 2016)*
*Calculated relationship
Body buried at sea
Specifically: Burial at sea by Submarine Squadron, San Diego, California.
Maintained by: Jeff Scism
Originally Created by: Russ Jacobs
Record added: Sep 28, 2010
Find A Grave Memorial# 59361230
VADM Allan Rockwell Rocky McCann
Added by: Noelani
VADM Allan Rockwell Rocky McCann
Added by: Jeff Scism
VADM Allan Rockwell Rocky McCann
Added by: Jeff Scism
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 Added: Jul. 25, 2014
Thank you for your service in preserving our country's freedom. I will honor you in the only way that I can . . . by remembering you always. May you rest in peace.
- Charles A. Lewis
 Added: Feb. 5, 2011

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