withdraw its troops from eastern europe. he says in case western colleagues continue their clearly aggressive line, we will take adequate military and technical measures in response. he s got the military muscle to back it up. more than 100,000 troops plus tanks and heavy equipment at the ukraine border. a buildup that has only increased in the two peeks since putin and president biden met virtually. since the president talked to president putin, it seems as though the buildup is continuing, the threats are continuing from vladimir putin. if russia continues to engage in aggressive actions we will respond and respond appropriately. reporter: the u.s. with a javelin near russia. on the threat to counter. a russian cyber attack turning off the lights in ukraine as it did in 2015 and 2016. allows them to attack without doing a full-scale military intervention in ukraine. it sounds like he s preparing for some kind of attack. cyber gives him the option of
ukraine border a build-up that s only increased in two weeks since putin and president biden met virtually. reporter: it says the president talked to president putin. the buildup is continuing. if russia continues with reckless and aggressive actions, we ll respond and we will respond strongly. reporter: the u.s. approved sale of javelin missiles to lithuania. near russia. officials are on high alert for tougher threat to counter, a russian cyber attack turning off the lights in ukraine as they did in 2015 and 2016. allows them to attack without doing a full scale military intervention in ukraine. it sounds like he is preparing for some kind of attack. cyber gives him the option of starting an attack without going to full scale war. that s a place where russia has great advantages.
reporter: new threats from vladimir putin surrounded by his generals, demanding that nato withdraw his troops from eastern europe. he says, in case western colleagues continue their clearly aggressive line, we will take adequate military and technical measures in response. he s got the military muscle to back it up. more than 100,000 troops plus tanks and heavy equipment at the ukraine border. a buildup that has only increased in the two weeks since putin and president biden met virtually. since the president talked to president putin, it seems as though the buildup is continuing. the threats are continuing from vladimir putin. if russia continues to engage in reckless actions, we will respond and respond strongly. reporter: the u.s. proving a sale of javelin missiles to lithuania, near russia. officials are on high alert for a tougher threat to counter. a russian cyberattack turning off the lights in ukraine as it did in 2015 and 2016. allows them to attack without doing a ful