Please see the most recent updates in the "Where did the .com name go?" thread. Posts number 16 and 17.
"Working Tug with "Ground Assist", exchanged by Mercedes Unimog used with the Harriers those days. " Manfred, is this a Manchy project? Great looking cold war tug. Rob
It's the Nordholz Air Base in nothern Germany I pieced together from hundreds of library objects I own.
Ah, base regarding airplane, not base regarding air base. The Nimrod is from Simshed:
https://flyawaysimulation.com/downloads/files/5476/fsx-raf-hawker-siddeley-nimrod-package/