![](https://www.nasa.gov/sites/default/files/thumbnails/image/49465891157_cd579b94f0_k.jpg)
Amy Resnik touches the Space Shuttle Challenger Memorial after a wreath laying ceremony as part of NASA’s Day of Remembrance, Thursday, Jan. 30, 2020, at Arlington National Cemetery. via NASA http://www.nasa.gov/image-feature/nasa-day-of-remembrance-0