Saab 37 Viggen 'thunderbolt' Swedish single engine, short-medium range fighter and attack aircraft. Jet plane. Swedish Air Force Historic Flight Stock Photo - Alamy
Challenge: Have the Saab 37 Viggen as the West's main fighter | alternatehistory.com
Saab 37 Viggen - Wikipedia
SAAB AJS 37 VIGGEN - THE ULTIMATE DISPLAY OF THE NORTHERN THUNDER! - YouTube