Changes

''Ensign O'Toole'' was based on ''All the Ships at Sea'' and ''Ensign O'Toole and Me,'' two books by William Julius Lederer, Jr. (1912- 2009), who served as a consultant on the series. Though there was no second season of production, ''Ensign O'Toole'' was repeated on NBC through September 15, 1963, and [[ABC]] aired reruns of the show from March to September 1964.<ref name=tv.com/>

''Ensign O'Toole'' was based on ''All the Ships at Sea'' and ''Ensign O'Toole and Me,'' two books by William Julius Lederer, Jr. (1912- 2009), who served as a consultant on the series. Though there was no second season of production, ''Ensign O'Toole'' was repeated on NBC through September 15, 1963, and [[ABC]] aired reruns of the show from March to September 1964.<ref name=tv.com/>

The real-life ''Appleby'' was the U.S. Navy destroyer ''U.S.S. Frank E. Evans,'' which was named and launched on October 3, 1944, and commissioned on February 3, 1945.<ref name=tv.com/> On June 3, 1969, ''Frank E. Evans'' was cut in half in the Melbourne–Evans collision with the Royal Australian Navy aircraft carrier, the ''HMAS Melbourne.''<ref name=Evanssinks>{{cite book |author=Tom Frame|title=Pacific Partners: a history of Australian-American naval relations |year=1992 |publisher=Hodder & Stoughton |location=Rydalmere, NSW |isbn=0-340-56685-X |oclc=27433673 |pages=127}}</ref> with the loss of seventy-four of her crew. Her bow sank almost immediately, and her stern was sunk as a target in Subic Bay in the [[Philippines]].<ref name=Evanssinks/>

The real-life ''Appleby'' was the U.S. Navy destroyer ''U.S.S. Frank E. Evans,'' which was named and launched on October 3, 1944, and commissioned on February 3, 1945. On June 3, 1969, ''Frank E. Evans'' was cut in half in the Melbourne–Evans collision with the Royal Australian Navy aircraft carrier, the ''HMAS Melbourne.''<ref name=Evanssinks>{{cite book |author=Tom Frame|title=Pacific Partners: a history of Australian-American naval relations |year=1992 |publisher=Hodder & Stoughton |location=Rydalmere, NSW |isbn=0-340-56685-X |oclc=27433673 |pages=127}}</ref> with the loss of seventy-four of her crew. Her bow sank almost immediately, and her stern was sunk as a target in Subic Bay in the [[Philippines]].<ref name=Evanssinks/>

''Ensign O'Toole'' was aired opposite CBS's long-running ''Lassie'' series at the 7 p.m. Eastern time slot on Sundays. ABC that season aired repeats of Robert Young's ''Father Knows Best'' sitcom in the same time slot.<ref>1962-1963 American television network schedule.</ref>

''Ensign O'Toole'' was aired opposite CBS's long-running ''Lassie'' series at the 7 p.m. Eastern time slot on Sundays. ABC that season aired repeats of Robert Young's ''Father Knows Best'' sitcom in the same time slot.<ref>1962-1963 American television network schedule.</ref>