Here's Why An E-6B Doomsday Plane Was Flying Tight Circles Off The Jersey Shore Today
Long story short, they deploy a 5-mile-long antenna to communicate with nuclear submarines via VLF frequencies.
Interesting ground track…
https://www.thedrive.com/the-war-zone/31477/heres-why-an-e-6b-doomsday-plane-was-flying-tight-circles-off-the-jersey-shore-today