Vietnam was not a military loss, it was a military victory that led to the Paris Peace Accords peace agreement which led to the military withdrawal.
After the US military pull out the dems, after successfully getting Nixon out of office, defunded the South Vietnamese. Without much needed military supplies they were over run by the North.
Some of the last South Vietnamese tanks defending Saigon literally ran out of fuel.
I think you’ve been listening to the libtards, the one parroting Vietnam as a military loss.
Nam was a total loss. There was no victory. We tucked our tail and fled.