| OSWALD | Lee Harvey -, former US marine accused of John F Kennedy's assassination (6) |
| GRASSY | The ___ Knoll: area within Dealey Plaza, Dallas, scene of John F Kennedy's assassination (6) |
| JACKIE | - O, nickname of John F Kennedy's widow after remarrying (6) |
| DAYTOREMEMBER | Kennedy's assassination, for one, made toady commit it to memory (3,2,8) |
| AIRSTRIP | Maybe part of John F. Kennedy's uniform on display (8) |
| SEMPER | Latin motto of the US Marine Corps, meaning 'always faithful' (6,7) |
| EUNICE | ___ Kennedy Shriver, charity worker who was the sister of John F., Robert F. and Ted Kennedy (6) |
| GEORGE | Former magazine of John F. Kennedy Jr. |
| GUNGHO | Chinese for "work together", adopted as a slogan by US Marines to mean "ardent, eager, zealous", especially for combat (4-2) |
| OLIVERNORTH | Former US Marine involved with the "arms to Iran" scandal (6,5) |
| NORTH | Oliver ?, former US Marine Corps lieutenant colonel; 2018-19 president of the NRA |
| COLONEL | Former US Marine officer shortly to take off 26 from Colne (7,5) (see 9D) |
| LYNDONJOHNSON | Who became president of the US on the assassination of John F. Kennedy? (6,7) |
| PETERLAWFORD | Member of the "Rat Pack" who was John F Kennedy's brother-in-law |
| CAMELOT | Term from Arthurian legend used for John F. Kennedy's presidency of the U.S. (7) |
| LEE | John F Kennedy's alleged assassin, ... Harvey Oswald |
| LEEHARVEYOSWALD | Former U.S. marine and assassin of John F. Kennedy in Dallas in 1963 (3,6,6) |
| HIGHHOPES | A version of this Frank Sinatra song was used in John F. Kennedy's 1960 presidential campaign (4,5) |
| ONASSIS | Who married John F Kennedy's widow? (7) |
| SWEETCAROLINE | Neil Diamond song inspired by John F Kennedy's daughter |
