# @nasaartemis on Instagram

- **Type:** Image
- **Original URL:** https://www.instagram.com/p/C6eHoONuY4-
- **Gondola URL:** https://gondola.cc/posts/17063909-nasaartemis-instagram
- **Thumbnail:** https://img.gondola.cc/tr:w-,h-,fo-auto/thumbnails/8d8ecd1bbe.jpg
- **Posted:** 2024-05-02T15:10:12.000+00:00
- **Account Owner:** NASA Artemis (@nasaartemis) — https://gondola.cc/nasaartemis

## Caption

#TBT Practicing landing on the Moon 🌜⁣
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All Apollo Moon landing mission commanders and their backups completed their lunar landing certifications using the Lunar Landing Research Vehicle (LLRV).⁣
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The open-framed LLRV used a downward pointing turbofan engine to counteract five-sixths of the vehicle’s weight to simulate lunar gravity. Two rockets provided thrust for the descent and horizontal translation, and 16 LM-like thrusters provided three-axis attitude control. Thus, the astronauts were able to simulate maneuvering and landing on the lunar surface while still on Earth. The LLRV pilot could use an aircraft-style ejection seat to escape from the vehicle in case of loss of control.⁣
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Apollo 11 Commander Neil Armstrong completed the first astronaut flights aboard LLRV-1 on Mar. 23, 1967, and flew 21 flights before ejecting from the vehicle on May 6, 1968, seconds before it crashed. He later completed his lunar landing certification flights using a second vehicle, LLTV-2, just three weeks before the historic Moon landing mission.⁣
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Armstrong said of the LLTV: “All the pilots…thought it was an extremely important part of their preparation for the lunar landing attempt,” adding “It was a contrary machine, and a risky machine, but a very useful one.”⁣
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Image description: The first LLRV silhouetted against the rising sun on the dry lake bed at Edwards Air Force Base. A person can be seen walking to the left of the vehicle. The shadows from the vehicle and person stretch on the ground toward the viewers.⁣
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Credit: NASA⁣
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#MoonLanding #LunarLanding #Moon #NASA #STEM #Apollo #Apollo11 #Pilot #Astronaut

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## Tags

apollo, tbt, pilot, nasa, stem, moonlanding, moon, lunarlanding, astronaut, apollo11

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