[…] Actually, the Draken busted through Mach 2. And the Draken had a few other firsts; the first combat aircraft ever designed with a double delta wing configuration, the tailless Draken is the first known aircraft to perform the Cobra maneuver.
The system is clever, emphasizing the dispersal of Swedish air power across various bases. Basically, Bas 60 was designed to prevent the Swedes from putting all of their eggs (airplanes) in one basket (air bases), hence improving the likelihood of survivability in case of war. Läs artikel