WI, instead of flying Francis Pym to Washington, modified concordes (we can assume for the sake of this thread, that mods were done in 60s or 70s, and didn't otherwise butterfly history) it was flying RAF missions in the Falklands War?
http://mg.photobucket.com/albums/v402/markredgwell/raf-concorde.jpg
http://www.pprune.org/military-aircrew/297262-raf-concordes.html
http://mg.photobucket.com/albums/v402/markredgwell/raf-concorde.jpg
http://www.pprune.org/military-aircrew/297262-raf-concordes.html