The USAF at Lakenheath will be conducting a 48hr readiness exercise from 06.00 on Monday 1 Oct to 05.00 on Wednesday 3 October.
Certain planes have been cleared to fly below 1000 feet which will mean noticeable noise across the district.
For more information;
https://www.lakenheath.af.mil/News/Article-Display/Article/1638648/two-day-period-of-limited-night-flying-at-raf-lakenheath