Engineering test bay alpha
Engineering test bay alpha was a section of engineering on the  starship . A standard engineering workspace specially converted to accommodate the spore drive, it housed the reaction cube, mycelium spore storage canisters, and a secured passageway to an adjacent cultivation bay where Paul Stamets grew his spores. ()

In 2257, after Discovery encountered an unknown lifeform, Jett Reno was sent to secure this section of the ship.  ()

Spacecraft sections