by problem. the nimitz-class characters use a steam catapult. he made an executive decision that probably gave designers of the new carriers a heart attack. president trump: i think i ll put on order when we build a new aircraft carrier, we re going to use steam. i m going to put out an order. we re going to use steam. he heard back from iran on his suggestion yesterday that japanese president abe could act as a mediator to try to bring the u.s. and iran together for talks. the foreign minister of iran tweeted b-teams economic terrorism is hurting the ranian people and causing tension in the riej on. actions, not words, will show whether or not it s president trump s intent. the president made it clear here in tokyo that he is open