Some valuable loot can be found here guarded by an automated turret. It also seems to have been previously inhabited by a larger number of people, with many skeletons in various locations within. Notably, the skeletons start to slim in quantity as the Lone Wanderer makes their way to the rooftop. After finding and talking to Stiggs in the mobile base crawler he will quickly take off and disappear after the completion of the quest Who Dares Wins.
The main entrance to the storage facility opens into an alcove that can be walked past to get to a dirty and grungy workroom of sorts. A set of stairs leads up to the second story. All that is on the second story is a door that leads back outside.