. >> known as the billionaires battalion, the unit help to push russian forces out of harkey.pment. >> what is your skill as a business man and enabled you to -- >> this is actually the enterprise. it is created not to -- it is created to kill the enemy. >> has ukraine been so successful in fighting off the world's second largest military? >> we are fighting for our freedom, for our way of life. they started, so we had to fight. ♪ ♪ >> how many members have you lost? >> if you. a few. >> does her death in some way motivate you? >> to revenge? >> to revenge, to -- >> yeah, of course. we will continue fighting. we will remember all of these people who were with us. you could manufacture a whole new way of manufacturing. >> are you thinking that in the future, this would be a war that is predominantly fought with drones? >> when we come back, meet the minister who had helped to change the face of this war. te. it changes how you eat, how you feel, and how you enjoy life. it changes your smile and how others smile at you. clearchoice network doctors have changed over 100,000 lives