How did the Apollo 13 engineers fit a round peg in a square hole rapidly? In the movie, they had to fit a round filter in a square filter box or the
![Did Ron Howard Exaggerate the Reentry Scene in <i>Apollo 13</i>? | Air & Space Magazine| Smithsonian Magazine Did Ron Howard Exaggerate the Reentry Scene in <i>Apollo 13</i>? | Air & Space Magazine| Smithsonian Magazine](https://th-thumbnailer.cdn-si-edu.com/NDQigtpabCw3uAt_PFFIYkFM0BI=/1072x720/filters:no_upscale()/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/ab/45/ab45e5a0-41b5-4156-87fa-f730453f1aca/1280px-apollo_13_mailbox_at_mission_control.jpg)
Did Ron Howard Exaggerate the Reentry Scene in <i>Apollo 13</i>? | Air & Space Magazine| Smithsonian Magazine
![Apollo 50th on Twitter: "Astronaut Donald K. "Deke" Slayton holding "the mailbox", a modification to the square Apollo 13 CM lithium hydroxide canisters to work as the LM round canisters. Aquarius had Apollo 50th on Twitter: "Astronaut Donald K. "Deke" Slayton holding "the mailbox", a modification to the square Apollo 13 CM lithium hydroxide canisters to work as the LM round canisters. Aquarius had](https://pbs.twimg.com/tweet_video_thumb/EVqvo76WAAAgfBO.jpg)