Don't worry too much about this stage, it's doable even without Suomi - at lvl40: 1st team: Suomi + randoms(lvl40, bad attachments) 2nd team: Tololo + debuffer Nagant + buffer Cheeta + Vepley (for missions) It took me few resets to get positioning right for 2nd team, but then it went smooth!
Don't worry too much about this stage, it's doable even without Suomi - at lvl40:
1st team: Suomi + randoms(lvl40, bad attachments)
2nd team: Tololo + debuffer Nagant + buffer Cheeta + Vepley (for missions)
It took me few resets to get positioning right for 2nd team, but then it went smooth!