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Cake day: July 3rd, 2023

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  • The US built the XF-85 goblin parasite fighter, which was supposed to be deployed using a robotic arm from the bomb bay of a B-36. The idea came from ww2 when we had escort fighters for most major bombing missions to keep the bombers safe.

    It wasn’t practical to build a fighter with enough range to escort strategic bombers into the Soviet Union so they thought, “why not carry the fighter inside the bomber?”



  • There was a significant amount of manual piloting in the Apollo missions

    The guidance gets more difficult in the terminal stages and they didn’t really trust computers to safely control the spacecraft near the surface, so their solution was to have the computer fly 95% of the way down and have the crew take over for the terminal phase.

    The Apollo algorithms work fine for non-manned missions as well, but you have to vet the trajectory targets more fully in simulation and add some active retargeting scheme to avoid obstacles near the surface.

    Combine the added complexity of a robotic lander with groups like intuitive that have never landed one before, and this sort of thing happens