I have made some concept sketches of the side and plan views of a ship/craft that is planned as the "Airbraker" craft that has airbrakes as the primary form of steering,and normal steering as the secondary steering.

Concept #1,with description(Picture only)

Concept#1 on graph paper,with description(Picture only)

Concept #2 with description(Picture only)

I'd like some critique,please,thank you very much in advance