I lost 50k NS - from 55k to 5k.
I was 21 infra from ZI.
I lost 1300 tech and nearly all my land. Heck, most of the 5k NS I had left was from my remaining tech.
I'm at 28.3k NS now, still have quite a ways to go. I'm not militarized much, just minimum soldiers, a couple of tanks, max planes (Hadda do it), and 8 nukes