theres a lot of E-6 doomsday planes in the air and a few days ago E-4 were flying over the great lakes in the US with mile long low-frequency antenna
(low frequency antennas are used to communicate with submarines including nuclear triad subs)
Tạm dịch là: Máy bay cánh báo sớm ở Mỹ, gồm cả phát...