https://mobile.reuters.com/article/amp/idUSKCN1R20AY
"The S-400 is a computer. The F-35 is a computer. You don't hook your computer to your adversary's computer and that's basically what we would be doing," Katie Wheelbarger, acting assistant secretary of defense for international security affairs, told Reuters. https://t.co/dPKzCuPfQ8