Re: High Altitude Exposures

[tdc@ehssun.lbl.gov (Ted M. de Castro)]

>>Sidenote on military high altitude data - there are dosimeters made
>>exclusively for the very high altitude missions (U-2, SR-71, Aurora) but 
>>the dosimeters and dose data are classified. Knowledge of such doses and 
>>high altitude dose rate distributions about the planet (altitude, pole vs
>>equator, etc.) and over time (solar activity and such) could allow a
>>potential enemy to estimate flight levels, flight paths, and past flight
>>schedules. This would endanger the flights, and the military will not
>>release the data for this reason.

HOWEVER - NASA AMES and LBL collaborated on just such high altitude 
measurements on U-2's back in the 70's - and those results WERE published.