The focal point of all Hubble Space Telescope (HST) activities is the Space Telescope Operations Control Center (STOCC) at NASA's Goddard Space Flight Center in Greenbelt, Md.
The STOCC truly is the nerve center for Hubble -- all commands to the space telescope are issued from the facility, and data gathered by the observatory arrive there first. The STOCC consists of six facilities:
Servicing Mission Operations Room (SMOR), adjacent to the MOR this room is used to support the preparation, test and simulation for the HST Servicing Missions while routine operations are conducted simultaneously at the MOR. The SMOR has the same capabilities as the MOR and can quickly be configured to support routine operations or any other Hubble spacecraft support acitivity.
System Engineering and Evaluation Room (SEER) used by the HST subsystem engineers to perform in-depth subsystem analysis, to conduct simulated subsystem tests, to integrate new data bases, and to validate new ground software and updates to flight software. This room has the same capabilities as the MOR and also can be configured as a backup operations control room
Data Operations Control (DOC) supports all HST activities by coordinating communication and data acquisition with MOR personnel and the NASA Network Control Center (NCC) at Goddard.
Mission Support Room (MSR) directly supports day-to-day flight operations and engineering activities by providing off-line mission planning functions and data processing.
Engineering Support System (ESS) The ESS supports mission operations requirements for subsystem analysis and trending. It provides near real-time and post analysis support using spacecraft engineering data.