| Text | Length |
| NASA affirmative | 16 |
| Just dandy | 10 |
| In perfect condition | 20 |
| Ducky | 5 |
| Fine, to NASA | 13 |
| Thumbs-up response | 18 |
| "All systems go" | 26 |
| Just great | 10 |
| Just ducky | 10 |
| Fine, informally | 16 |
| "All systems go!" | 27 |
| Thumbs up | 9 |
| Peachy keen | 11 |
| Just swell | 10 |
| Just peachy | 11 |
| Apollo approval | 15 |
| Letters of satisfaction | 23 |
| Letters of assent | 17 |
| Letters of approval | 19 |
| Just fine, at NASA | 18 |
| Go-ahead signal | 15 |
| Fine, to astronauts | 19 |
| Astronaut affirmative | 21 |
| Proceeding normally | 19 |
| Perfectly all right | 19 |
| Perfect, to Armstrong | 21 |
| Like a perfect launch | 21 |
| Fine, slangily | 14 |
| Astronaut's approval | 24 |
| Astronaut's "Perfect!" | 36 |
| Astronaut's "Fine!" | 33 |
| Armstrong's "Perfect!" | 36 |
| "Thumbs up" response | 30 |
| "Thumbs up" | 21 |
| "Looks good" | 22 |
| "Fine, Houston" | 25 |
| "Everything's fine!" | 34 |
| ''Fine, Houston'' | 33 |
| ''All systems go'' | 34 |
| ''All systems go,'' in letters | 46 |
| Working just fine | 17 |
| Verbal thumbs-up | 16 |
| Unreservedly approvable | 23 |
| Totally good | 12 |
| Thumb-to-forefinger signal | 26 |
| Super-perfect | 13 |
| Super-fine | 10 |
| Spoken thumbs-up | 16 |
| Space capsule affirmative | 25 |
| Satisfactory, to NASA | 21 |
| Running perfectly | 17 |
| Roger's cousin | 18 |
| Perfectly fine, informally | 26 |
| Perfect, NASA-style | 19 |
| Perfect, informally | 19 |
| Perfect, in space | 17 |
| Perfect, in rocketry | 20 |
| Perfect, at NASA | 16 |
| Perfect-launching expression | 28 |
| Perfect for NASA | 16 |
| Perfect on Apollo | 21 |
| No problemo, at NASA | 20 |
| No problem, at NASA | 19 |
| No prob, at NASA | 16 |
| NASA's "Go" | 25 |
| NASA's "all systems gO" | 37 |
| NASA fine? | 10 |
| NASA assent | 11 |
| NASA approval | 13 |
| Just. dandy | 11 |
| Jakea'loo | 13 |
| Hunky-dory for short | 21 |
| Houston approval | 16 |
| Green-light phrase | 18 |
| Good to go, at NASA | 19 |
| Flight approval | 15 |
| Fine, to a pilot | 16 |
| Fine, mod style | 15 |
| Fine, in space | 14 |
| Fine, at NASA | 13 |
| Fine letters? | 13 |
| Excellent, for short | 20 |
| Definitely all right | 20 |
| Comment from a capsule | 22 |
| Astronauts' go-ahead signal | 31 |
| Astronauts' "all right" | 37 |
| Astronaut's reply | 21 |
| Astronaut's call | 20 |
| Astronaut's affirmative | 27 |
| Astronaut's "perfect" | 35 |
| Astronaut's "fine" | 32 |
| Astronaut's "Everything's fine" | 49 |
| Astronaut's "All systems go" | 42 |
| Astronaut's 'yes' | 29 |
| Astronaut's 'thumbs-up' | 35 |
| Armstrong's "All's well!" | 43 |
| Approval, astronaut style | 25 |
| Apollo affirmative | 18 |
| All right to Glenn | 19 |
| Acey-deucy | 10 |
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