F-105 Thud photo from 1964

https://www.dropbox.com/s/0zacqiutow40jm9/pilots-planes-moldvay_3547_990x742.jpg

A nice 1960s early 1964 photo i understand of flight ramp scene with what is 23rd TFW? shark mouthed F-105D Thunderchieifs running up their J-75 engines.