'Wildcat' MAAG-2B (Marconi Advanced Airframe Gunship). The gunship is powered by 2 pairs of Aerojet vector-thrust liquid-fuelled SLS (Space Launch System) rocket engines, mounted on variable-angle wings. The airframe was specifically designed by Marconi-Development-Labs to be widely configurable and versatile, to meet a myriad of needs. It is specially constructed to accommodate large payloads, and is able to adopt a wide range of bodies and layouts, including (but not limited to): i) Military Cargo, ii) Military Troop Transportation, iii) Military Fighter Craft, iv) Military Bomber, v) LPT - Large Payload Transporter, vi) Interstellar shuttle, etc.
Military Gunship Variant: https://www.artstation.com/artwork/14P3kZ
Shuttle Variant: https://www.artstation.com/artwork/DAqyay
Heavy-Hauler Variant: https://www.artstation.com/artwork/NGPmND
Artwork breakdown video