Low flying helicopters for nuclear detection flying Super Bowl week

With heavy travel and crowds in the bay radiation detecting choppers will be buzzing around in search of threats. No need for alarm, just an fyi to anyone curious what’s up.

https://www.kron4.com/news/bay-area/helicopters-to-fly-at-low-altitudes-around-bay-area-ahead-of-super-bowl-lx-officials-warn/

More details regarding these sort of flights, described as very noticeable and loud from a 2015 news article as well as government descriptions of these sort of flights:

https://www.energy.gov/nnsa/articles/nnsa-conduct-aerial-radiation-assessment-surveys-over-san-francisco-bay-area-ahead-0

https://www.energy.gov/nnsa/aerial-measuring-system-ams

https://m.youtube.com/watch?v=fWqFpkd27Y0&feature=youtu.be

https://abc7.com/archive/8788264/