The Hangar is being added to "Guardians of Orion" with Version 1.4, accessible via Orbital Command. This area will be the home to future content/modules, including Shuttle Transports ("taxis") and Guardian Starships.
https://youtu.be/-RpiZjAnmck
The Hangar - First Look - Version 1.4
Source: Steam Community (opens in a new tab)