Born in Rome, Georgia, Morrison was the son of Caroline and Paul Raymund Morrison, and raised in Leesburg, Florida. He entered the U.S. Naval Academy in 1938, graduated in 1941, and was commissioned an ensign. Sent to Hawaii, he joined the crew of the minelayer. On December 7, 1941, Morrison witnessed the Japanese Attack on Pearl Harbor.
Career
He began flight training in 1943 at Naval Air Station Pensacola, Florida, and graduated in spring 1944. Morrison flew missions in the Pacific Theater for the duration of World War II. He served as an instructor on nuclear weapons programs following the end of the war, while during the Korean War, he served at the joint operations center in Seoul. This resulted in the award of the Bronze Star with "V" for Valor device. In 1963, Morrison took command of the , flagship of a 3rd Fleet Carrier Division in the Pacific, and based at Naval Air Station Alameda, California. Morrison was in command of the Carrier Division during the controversial Gulf of Tonkin Incident in August 1964, which resulted effectively in the true beginning of the Vietnam War by President Lyndon Johnson. In 1967, he was promoted to Rear Admiral. In 1967, in one article in the British paper, The Telegraph, it is unofficially reported by some that Morrison vehemently opposed the US response to, and findings of, the USS Liberty incident which exonerated Israel of malice. Morrison did not rise in rank again after his outspoken criticism of Israeli intentions. In WestPac in 1968, he was Commander of Task Force 77; the served as his flagship. Besides operations against communist forces in North Vietnam, the task force was diverted to Korea in December 1968 to support South Korean forces battling North Korean infiltrators during the Korean DMZ Conflict. He successfully led the Task Force in the interdiction of communist North Korean forces in spite of attempts by Soviet Navy destroyers to prevent flight operations by attempting to cross the path of the Hancock. In 1972, he was appointed Commander Naval Forces Marianas. As such, he was in charge of relief efforts for Vietnamese refugees sent to Guam after the fall of Saigon in the spring of 1975. Rear Admiral Morrison was the keynote speaker at the decommissioning ceremony for the carrier Bon Homme Richard, his first ship as an admiral, on July 2, 1971 in Washington D.C.. His estranged son, rock musician Jim Morrison, died in Paris at age 27 the following day. Morrison retired from the Navy in August 1975 as a rear admiral.
In retirement, the Morrisons lived in Coronado and Chula Vista, California. Clara Clarke Morrison, 86, died after a long illness in Coronado on December 29, 2005. Rear Admiral Morrison died in Coronado on November 17, 2008. His private memorial service was held on November 24 at Fort Rosecrans National Cemetery in San Diego. His ashes were scattered at sea near the same spot off Point Loma where his wife's ashes had been scattered nearly three years earlier.