Black Mesa Air Control
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|Black Mesa Air Control|
The Air Control building is adjacent to a large airstrip, and is used to monitor and direct activity in the airspace above Black Mesa. Special clearance codes have to be entered at this building before any rocket launch can take place in any other area.
 Behind the scenes
As seen in an early screenshot, the players were to enter the blue hangar in front of which the HECU Marines are offloaded by an Osprey. There a dismantled Osprey was to be found. Eventually, this mission was cut.
 List of appearances
- Half-Life: Decay (First appearance)
Black Mesa Transit System
|Half-Life: Decay story arc journey||Succeeded by|