2021年1月28日，星期四，美国国家航空航天局纪念日

Acting NASA Administrator Steve Jurczyk places a wreath at the Space Shuttle Challenger Memorial during a ceremony that was part of NASA’s Day of Remembrance, Thursday, Jan. 28, 2021, at Arlington National Cemetery in Arlington, Va. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration.

Image Credit: NASA/Bill Ingalls

2021年1月28日星期四，美国宇航局代理局长史蒂夫·尤尔茨克在弗吉尼亚州阿灵顿国家公墓举行的美国国家航空航天局纪念日仪式上向挑战者号航天飞机纪念馆敬献花圈。花圈是为了纪念那些在太空探索中牺牲的人们。

图片来源：NASA/Bill Ingalls