Are We Alone? Book Website
... or are these 'dots' are just flecks of ice breaking away from cold fuel tanks as they warm in sunlight. They are seen on every single mission. Thrusters then fire as normal to keep the orientation of the shuttle aimed at earth. The exhaust hits the particles and they change direction, and other flakes of ice break away.. That's all there is to it folks!
Interviews of the astronauts on the clip do not confirm these dots as UFO's, plus some are taken completely out of context giving the impression they are talking about this clip. This is not how investigations are done in the real world.
There is clearly an intergalactic war going on between different species in low earth orbit with fleets of flying saucers and lasers...