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.<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/>

''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]]'' 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]]'' in the same time slot.<ref>1962-1963 American television network schedule.</ref>