upgrade

According to both an August 5, 2015 article on Military Review ( https://en.topwar.ru/80147-belorusskaya-modernizaciya-sovetskogo-plavayuschego-tanka.html ) and a January 10, 2017 post on Pakistan Defence ( https://defence.pk/pdf/threads/belarus-unveils-pt-76m-upgrade.471732/ ), a Belarusian...

I came across this interesting article published in the "Revista de Aeronautica y Astronautica" (number 591, March 1990) about an upgrade program proposed in the late 80s/ early 90s for the remaining fleet of Mirage IIIEE/ED, to keep the type in service up into the 2000s. A little of backstory...