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Mr. JIM HENTHORN
Aviation Historian
MEMBER
"USAF ROTORHEADS"
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Jim Henthorn is a former member of the 21st SOS at NKP Thailand. Jim has spent a lot of time researching all aspects of the 21st from inception through the period the unit was assigned to NKP. He now is involved in writing a detailed history of the 20th SOS. His work on the 21st SOS may be found at ![](btn_CLICK_ezg_36.gif)
Jim has scanned and placed on the web a complete set of 1:250,000 maps covering North and South Vietnam, Cambodia, Laos and eastern Thailand at ![](btn_CLICK_ezg_37.gif)
Jim's detailed list of USAF Helicopter crews lost in SEA and Rescue and SOS aircraft lost in SEA may be found at ![](btn_CLICK_ezg_46.gif)
Jim is also researching the battle that took place around the SF Camp A Shau from 9-10 March 1966
Below is the link to Jim’s homepage
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