Originally Posted by
Stanwell
I'm more interested in what the dude most prominent in the pic is about to do.
Give a practical demonstration of chemical warfare techniques, perhaps?
If you look under the fuselage directly beneath the pilot's seat all become clear - the photo was taken during a peer-to-peer training session on techniques for the then-new chemtrail missions.
Obviously this was before the development of today's synthetic trailing fluids.
PDR