1.   The plane glided through heavy clouds.

2.   Close to that point, the orbiter would separate and zip into orbit, while the plane would glide earthwards, later reigniting its standard jet engines before landing.

3.   On a clear day, pedestrians and boaters stop to watch planes glide over Lake Michigan and onto the runway just a few feet above water level.

4.   The plane glided for several more minutes, then landed safely and coasted to a stop.

5.   The plane glided over apartment buildings that crowd rows of congested streets.