Every day while walking to elementary school, Ryan Day said he remembers seeing a U.S. Army Corps of Engineers (USACE) habitat restoration project sign along the Little Calumet River in Indiana. It wasn’t until years later, while speaking to a Corps rep at his university’s career fair, that he found out exactly what USACE does. And now, this civil engineering student is one of several summer hires getting firsthand work experience at the Chicago District.