The Barn currently houses the John Muir Institute of the Environment, Callifornia Space Institute Center of Excellence (CalSpace), Center for Spatial Technologies and Remote Sensing (CSTARS), and Western Regional Center of the National Institute for Global Environmental Change (WESTGEC). Previously it was the headquarters for A&E.
similarly retasked original buildings include:
- Hog Barn now just to the east of The Barn, but previously south of Crocker Nuclear Lab
- The Silo north of the Hog Barn and east of The Barn
