Looks like there's some kind of military activity -- probably National Guard? -- setting up lots of tents at the Boy Scout camp over here. Is this a usual thing?
Activity at East End Boy Scout Center
Yes. VING uses the camp a few times a years during drills. (tu)
Lots of national guard at seaside market
this is a very busy year for us... you'll see dramatically more activity than before, just exercises, nothing to worry about.