training. that's what they will do in poland. similar deployment of u.s. troops from europe to lithuania and estonia. all of this as you see the troops there is part of an effort by the united states, 600 troops in four countries, to have what they're calling a persistent presence in eastern europe. this is all about sending a message to russia about ukraine but also very much stepping up the training in eastern europe to reassure nervous allies there who look across their boarder at russia and get concerned about what the russians may be up to next. hard to believe in this day in age but that's what's actually going on in europe right now. worries that moscow could expand its operations and have its eye on these other countries. so stepping up the so-called rotational presence of u.s. troops in europe. they'll there be for about 30 days in all of these locations and then other u.s. troops will