Yes, Xe lost a lot of Americans in Yemen in a single day, and the Columbian death toll is rumored to be over 100.
I accept what you are saying but is this not contract fighting for Hamas , a terrorist organization? Can we do that if we want? There is no Yemeni government left — it was annihilated by the Houthi Iraniian led militants? How do American contractors go fight for the Saudi Hamas?