I have no idea what's happening here but it looks really cool!
To me it looks like a hangar door has been opened and air is flooding the ship. Notice how it looks like the stormtroopers in the background are being blown away. It looks like Ben is using the Force to keep himself from being blown away with them.
I have no idea why the hangar door would be open, perhaps a ship hacked into the controls and opened the door in order to land there.
Whatever it is it looks really awesome.
Let me what you think!