They should make a vehicle that would be the mongoose of flight. It would be called something like the UNSC Hummingbird
It would be a little bit bigger (barely though) than the mongoose, and it would be strictly for transportation needs. They could put a turret or something on the bottom of it and the person who is in it and is not driving could have a birds eye view and be shooting. Then maybe the driver could have a boost option. This is all just add-ons and maybes, but i think having the hummingbird in the game would be sweet.