What is the "Keystone course"?

Awesome Pentagon Day this week during the Keystone course! Thanks to the Deputy Secretary of Defense, Chairman, and service Senior Enlisted for participating!

https:// twitter.com/SEAC_Troxell/status/975126879421255680

>USMC activated.

>US (3).

>Q

I think one interpretation ti US (3) could be this one:

Q's GreatAwakening thread has as main image a US flag. Today, Q deleted a couple of previous posts and added a new one. So, there are only 3 posts there and that could be the meaning of US (3).

Read the sequence and you have it.

>Next week.

>BOOM.

>BOOM.

>BOOM.

Finally, take a look at @USMC post regarding "prepare to disrupt rioters".

You see the big picture?