J-4020 lines up in front of J-4010 on a forest runway.
The aircraft carries four 'Flunts' (Flügeluntertanks - detachable fuel tanks = drop tanks) :
two standard 150gal and two older-type 100gal outboard

TIKAS, Vidsel, Sweden, 1989

© ein jäger für die schweiz (Borgeaud/Gunti/Lewis)