package. the u.s. is sending thousands of missiles that can be used against aircraft or tanks. also, at least 100 killer drones known as switchblades, they're essentially robotic smart bombs that can be programmed to hit targs from miles away and the president committed to cutting edge system, once again stopped short of a no-fly zone or providing fighter jets. two things that zelenskyy has repeatedly requested. russian forces continue to batter the besieged city of mariupol. ukrainian officials say a russian air strike hit the mariupol drama theater yesterday, where hundreds of people were sheltering to protect themselves from constant bomb can. the number of casualties weren't immediately clear but officials say many are believed to be buried in the rubble. nbc news has not been able to independently verify the attack. according to images from maxar the word children was spelled