When C-97G 52-2687 (also see previous picture) was photographed at Tempelhof in June 1975,
it had undergone further modifications and was named RIVET STEM. PHOTINT -
optical and IR.
<br /><br />
<small>The Big Safari program name mentioned corresponds to the period when 
the aircraft was photographed. The aircraft modifications and the Big Safari 
program in which this particular aircraft was involved were not necessarily 
the same before or after.</small>