reporter: in his response, president biden did not bring up a no-fly zone or war planes, but announced an additional $800 million in military aid. we re going to continue to have their backs as they fight for their freedom. reporter: the package includes u.s.-made killer drones, known as switch blades, that can target russian tanks from miles away. plus 800 antiaircraft, and 9,000 anti-armor systems, 29,000 sefts body armor and helmets, and 20 million rounds in ammunition. in his final plea, zelenskyy addressed president biden in english. you are the leader of the nation. i wish you to be the leader of the world. being the leader of the world means to be the leader of peacet