How A Misguided Grand Strategy Led To This U.S. Defeat

In response to Russia's demand for security guarantees, especially to its request to remove foreign NATO forces from the territory of East European countries, the U.S. and Britain are moving more forces to the east:

President Joe Biden has formally approved additional US military deployments to Eastern Europe, the Pentagon announced Wednesday, with US troops deploying soon to Poland, Germany and Romania.
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Pentagon press secretary John Kirby said the deployments include roughly 2,000 troops from the United States to Poland and Germany in the coming days. In addition, approximately 1,000 troops currently based in Germany are being deployed to Romania.
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Kirby said that the troops being deployed are separate and in addition to the 8,500 US troops that were placed on heightened alert last week that could be moved to Europe to support NATO's response force if it's activated.

The troops will operate on a bilateral basis with their host countries, since NATO has not yet activated a multinational response force.