If I understand correctly, they started flying just 20 days ago.
Which may indicate time when the President was diagnosed with C-19.
Here is some unusual activity 9 days ago: https://www.reddit.com/r/MilitaryAviation/comments/iy14a9/se...
It's not cause for concern unless unusually high levels of activity continue into October--and even in that case the general purpose will be deterrence rather than fear over any real threat.