the u.s. also sent two medium ranges nay sam to ukraine recently. 100 percent success rate shooting down russian missiles so far. six more nastams have been promised to ukraine. the patriot requires dozens of crew to operate and teaching ukraines to use the nay sem in germany. bret? bret: jennifer griffin at the pentagon. thanks. seen as test of acknowledgment the russian military s war gone badly and is wrong. this comes as russian attacks on civilian continue as dozens of countries pledge more than a billion dollars to help deal with shortages of power, heat, and food.