president trump called off a retooaretaliatory strike sayinge loss of iranian lives would not be proportional. >> these measures represent a strong and proportionate response to iran's actions. >> reporter: last week president trump suggested the shootdown maybe ordered by a rogue commander and that iranian leadership did not approve it. in addition, the treasury department slaps sanctions on eight iranian military leaders including the head of the navy. >> what we announced today indicates it wasn't a mistake. it was intentional act. >> i wouldn't read anything into that nor designated people who believe are responsible for chain of command. >> reporter: president trump repeated his offer to meet iran's leadership without reconditions. >> we would love to be able to negotiate a deal. they don't want to, that's fine too. we would love to be able to.