Thrust driven swing wing
With negligible air for the wings to work with, could swinging them back out of the way be beneficial? If so, here's an idea.
How about pivoting the wings so that just momentum swings them back when the rocket is burning. A small amount of spring loadedness could bring them back to position for the glide phase.
Another possibility would be to mount the rocket in such a way that it's forward thrust against a mechanism (rack and pinion kind of thing) swings the wings back.