神情自若 meaning in English

with an easy grace

The astronaut yang liwei , spirited and assured , made his way into shenzhou - 5 , the largest manned spacecraft in the world up to this time . on his shoulders rested the task of achieving glory for the nation . armed with courage and propelled by a sense of responsibility , he was ready for the momentous journey into space . shenzhou - 5 was launched into space by the changzheng - 2f carrier rocket , nicknamed the " magic arrow "
二零零三年十月十五日早晨，酒泉卫星发射中心一切就绪，航天员杨利伟英姿勃发，神情自若，步入目前世上可用空间最大的载人飞船神舟五号，肩负为国争光的大任，心怀雷霆不移的大勇，责无旁贷，义无反顾，踏上了乘云陵霄、遨游穹苍的征途。