This subject has been swept under the radar

The subject is aliens from outer space.  Here is the quote:

“…Take the founder of Bigelow Aerospace for example, who is one of many who has shared his knowledge about the fact that we are not alone, and that we are being visited.

For so long, this subject has been swept under the radar by so many people, and all of a sudden we’ve had this burst of information that’s made it clear to most that something is going on here…”

This is the source:

http://www.collective-evolution.com/2017/10/12/apollo-15-pilot-joins-the-long-list-of-astronauts-to-tell-the-world-about-alien-visitation/