Sounds like living in my subdivision.
For the first year or so my wife and I kept getting turned around and lost during neighborhood walks (the place is a maze, very few through-streets), Google Maps saved us the embarrassment of having to ask for directions :)
Using your data above, the Hercules and R-2600 appear to be competitors and the usage split along national lines.
What was the British competitor of the R-2800?
Thanks for putting that together.
Generally raises my impression of the R-2600 and lowers my impression of the Hercules.
The Boeing Clippers were running the R-2600's earlier than the dates above would imply.
Boeing 314 Clipper - Wikipedia
F-15's & F-16's paired in Operation Opera:
Operation Opera - Wikipedia
On 7 June 1981, a flight of Israeli Air Force F-16A fighter aircraft, with an escort of F-15As, bombed and heavily damaged the Osirak reactor.[10]