Thud Ridge: F105 Thunderchief missions over Vietnam by ...
Thud Ridge was the nickname given by United States Air Force F105 Thunderchief pilots during the Vietnam War to the Tam Dao range a 24 km, 5000 ft high ridge that ran parallel to the Red River approximately 32 km northwest of Hanoi, which was both a waypoint during air attacks and a terrain masking feature for ingressing fighters in the ...