US has not deployed to Ukraine because its not in its national interest whereas Russia does have an immediate security concern with NATO expansion to its borders after the end of the cold war.
US has deployments all over the world after WWII in order to bully and protect its own interests.
US has deployments all over the world after WWII in order to bully and protect its own interests.
https://www.aljazeera.com/news/2021/9/10/infographic-us-mili...