There was a seventh, but it seems to have gone to San Diego on the return trip and switched off.

Seems all these C130 came out of Nellis AFB …same place I saw a C130 land from Pope Field a few nights ago. I would estimate that someplace south of the USA had some interesting American visitors …All American, I might even guess.

https://globe.adsbexchange.com/?icao=adfe76

https://globe.adsbexchange.com/?icao=adfe76

I guess that explains all the activity at Nellis and the California coast…

https://www.nellis.af.mil/News/Article-Display/Article/3242190/wsint-22b-usaf-weapons-school-conducts-largest-ever-over-water-joint-counter-ma/