Engineers at Nasa's Kennedy Space Center in Florida Completed Stacking The Twin SLS (Space Launch System) Solid Rocket Boosters – Seen in this Feb. 19, 2025, Photo – Inside the Vehicle Assembly Building for the Agency's Artemis II Crewed Test Flight Around the Moon.
During stacking operations, which began Nov. 20, 2024, technicians used a massive overhead Crane to Lift Each Booster Segment INTO Place on Mobile Launcher 1, The 380-Foot-Foot-Tall Structure Used To Process, Assemble, Assemble, Assemble, Assembles Orion spacecraft.
Learn more about the process of stacking from exploration ground systems.
Image Credit: Nasa/Kim Shiflett