Originally Posted by
spartacus
Whatever the roots of FRA it certainly never stopped growing. In the 1990's when it became apparent that growth would continue, talks moved into full gear that led to the eventual closing of Rhein-Main Air Base. It started with taking over a youth sports complex close to the edge of the airport and finished with what was once the military's largest overseas transit point, in term of passengers, closing completely. Truly another Reagan legacy.
The large presence of the American military in the greater Frankfurt area fueled early growth. The emergence of Frankfurt as the financial capital of Germany and perhaps the EU was another big reason for continued expansion. The close proximity to the Ruhr Valley industry makes it a convenient shuttle hop but the regions are not codependent and both survive on their individual merits. Infrastructure tie-ins, such as rail and being on major autobahn routes east-west and north-south, not to mention the seaports, has cemented FRA's place in air travel lore.
MUC is still a destination heavy on tourism. Before the Wall came down Templehof was the only way to get into West Berlin. Due to airspace restrictions to the east it was quite a wild ride down and the military priority here would always limit commercial aviation, which is why Tegel has emerged as the dominant airport.
So when did Rhein-Main Air base close? I remember my first visit to the FRA area in the mid-80s and there were lots of US military personnel around - prominent signs on the highway that read "US FACILITIES" on the exit signs. In 1993 and 1997 I returned for a visit and the presence was much, much less due to the draw down though Rhein-Main was still operating then.
I concur with your above comments about the transport infrastructure and proximity to other major cities in the Rhine Valley as a factor in FRA's growth and continued status as a air transport hub. Plus, IME it's a heck of a lot easier to do connecting flights there compared with CDG (some flights, particularly to the Middle East or Africa, fly out of Orly) or LHR.