- PARB entry (former docking facility) on left, behind satellite dish.
- On the bottom right can be seen the knockout panel provided for a future tunnel that was never used.
-
The two 'holes' above are referred to as bird screens.
- The upper air intake, on the fifth level, incorporates a plenum chamber (#510e), as does the lower (#2M8A) air exhaust, located on the second level mezzanine