I'm not really sure, according to https://en.wikipedia.org/wiki/NATO_Enhanced_Forward_Presence https://en.wikipedia.org/wiki/NATO_Enhanced_Forward_Presence the

I'm not really sure, according to https://en.wikipedia.org/wiki/NATO_Enhanced_Forward_Presence https://en.wikipedia.org/wiki/NATO_Enhanced_Forward_Presence they don't have a permanent presence there, but I assume there should still be some fluctuating number of American soldiers in Lithuania due to some temporary reasons of the time.