M1M3 glass move March 7, 2024 Rubin’s 8.4-meter Mirror Moves into the Observatory.

Drone view of the Rubin summit team moving the combined 8.4-meter Primary/Tertiary Mirror from a storage building into the Observatory on March 7, 2024. The silver steel stand-in "surrogate" for the mirror can be seen off to the right, it was used for testing purposes until March 2024.