Demo
    Person wearing a flight suit and helmet standing in front of a NASA lunar landing research vehicle with large metal support structures in the background.
    Apollo 11 astronaut Neil Armstrong below the gantry crane in February 1969. During tests, cables supported five-sixths of the model lander's weight to mimic lunar gravity, helping Armstrong practice his July touchdown on the moon with Buzz Aldrin.
    People overseeing the installation of a spacecraft capsule using a crane at an outdoor facility.
    Engineers in 2013 hoisted the Orion Test Capsule and dropped it in the water tank underneath the gantry crane to simulate how the capsules would splash down after returning from lunar orbit.