Noise from military exercises in Pasadena and Irvine upsets residents

 https://www.pasadenastarnews.com/2026/06/04/noise-from-military-exercises-in-pasadena-irvine-upsets-residents/ 

sgvcitywatch.com/city-of-industry/military-exercises-continue-with-operation-in-city-of-industry 

https://abc7.com/story/nighttime-military-training-exercises-anger-pasadena-residents/19235509/ 

While not necessarily unmarked, any helicopters as part of a military response drill alarmed several people around town. 

https://www.reddit.com/r/Helicopters/comments/1twrw04/pasadena_currently_like_a_scene_from_black_hawk/

Of course there was some excitement last year as well.

https://www.404media.co/dhs-black-hawks-and-military-aircraft-surveil-the-la-protests/ 

https://ktla.com/news/local-news/drones-military-aircraft-deployed-for-los-angeles-protests-404-media/ 

Apparently, a lot of people didn't see this years memo. 

https://www.facebook.com/LosAngelesCountySheriffsDepartment/posts/cityofpasadena-is-advising-the-public-of-the-following-the-us-military-will-be-c/1437912201710225/

THE X-FILES | UNMARKED HELICOPTERS https://www.youtube.com/watch?v=JCNDymn3PJI

https://www.reddit.com/r/XFiles/comments/1jcwpbz/soul_coughing_unmarked_helicopters , https://www.youtube.com/watch?v=PNaYr45qL5k   

https://thedigitallabyrinth.blogspot.com/search?q=a+training+exercise

7 loud helicopters in a line over L.A.

 https://www.reddit.com/r/LosAngeles/comments/1tv54dl/7_loud_helicopters_in_a_line/ 

https://imgur.com/a/V7a5VlQ  

https://thedigitallabyrinth.blogspot.com/search?q=a+training+exercise