April 20, 2026
Houston, we’ve got a potty mouth
NASA had to train Apollo 11's astronauts to not use profanity
From sailor talk to Sunday school: Apollo 11 kept it clean, commenters didn’t
TLDR: After Apollo 10’s 230-ish curses sparked complaints and a student-led counter-petition, NASA coached Apollo 11 to keep language clean—and they mostly did. Commenters are split between laughing at human moments, questioning why swears offend, and sharing personal journeys from F-bombs to family-friendly, making this a culture clash in orbit.
NASA didn’t just prep Apollo 11 to land on the Moon—they coached the crew to keep it PG after Apollo 10’s hot-mic potty mouth. The internet is howling. One joker rewrote Armstrong’s line into “one… oh, fuck,” while others argue the Apollo 10 talk wasn’t even spicy by today’s standards. Cue the culture clash: Was space swearing actually scandalous, or just human?
Commenters split fast. Some are giggling at the chaos of Apollo 10’s “son of a bitch” moment, calling it relatable astronaut energy under pressure. Others roll their eyes at 1969 pearl-clutching, with one user wondering why swear words are “inherently offensive” at all. Then came the real-world curveball: a user who says military life made cursing second nature before religion helped them cut it out entirely—proof that language is personal, not just policy.
The backstory only fueled the drama. After Apollo 10 racked up roughly 230 curses, a Bible college president complained to NASA and President Nixon, and students rallied to defend the astronauts—retro Reddit war vibes. Apollo 11 then delivered the PR-friendly sequel: fewer than 15 swear words, with none from Armstrong and just one from Aldrin. No F-bombs in either mission, for those keeping score.
In the comments, it’s astronauts vs. etiquette, history vs. internet humor—and everyone’s firing thrusters.
Key Points
- •Apollo 10’s crew used frequent profanity during their May 1969 mission, with at least 230 instances recorded in NASA transcripts.
- •Some Apollo 10 exclamations were broadcast live, including during a lunar module roll about 49,000 feet above the Moon.
- •Complaints were lodged by Dr. Larry Poland to NASA and President Richard Nixon, calling the language indiscreet.
- •In response to public attention, Apollo 11’s crew kept profanity to fewer than 15 instances; Armstrong had none, Aldrin one, Collins most.
- •Students at Florida Institute of Technology petitioned in defense of the Apollo 10 astronauts; coverage was reported by the Orlando Sentinel.