Glossary

To be updated as needed and linked from the front page of the Blog.

Abbreviations & acronyms are on a separate page.

Airlock Module (AM)
--A tunnel section joining the Orbital Workshop and the Multiple Docking Adapter. There were hatches at each end to seal it off and an external hatch for spacewalks.

Apollo Telescope Mount (ATM)
--An octagonal box that contained several specialized solar telescopes. This was mounted on a truss that held it above and clear of the station's primary docking port.

Deployment Assembly (DA)
--The two-piece truss that joins the Apollo Telescope Mount (ATM) to Skylab's hull.

Multiple Docking Adapter (MDA)
--The station's "work space." It contains a pair of docking ports, controls and displays for the Telescope Mount and Earth Resources Experiments Package.

Orbiting Assembly (OA)
--The station itself, including all components and any docked spacecraft.

Orbital Workshop (OWS)
--The large cylindrical section of the station. This contained the living quarters, an experimental compartment, and a forward compartment.