US army to deploy troops in Ukraine?

The US army has claimed about deployment of the 45th Infantry Brigade Combat Team in the territory of Ukraine. News with the title The 45th IBCT prepares for Ukraine Deployment occurred on the US army website, but was deleted soon.
It is known that the 45th Infantry Brigade Combat Team is headquartered in Norman, Oklahoma, and is a part of the Oklahoma Army National Guard. The Brigade has trained fighters in Afghanistan, as well as implemented tasks in Saudi Arabia, Kuwait, and Iraq. Deployment of the Oklahoma National Guard in Ukraine allegedly takes place under the guise of joint military exercises.
The reason of deletion of this news has not been explained with either spread of false stories or an error yet.