Cynthia Banks (right), U.S. Army Engineer Research and Development Center (ERDC) Installation Operations Command environmental protection specialist, shows fourth grade students from Bowmar Avenue Elementary School in Vicksburg, Miss., different preserved aquatic specimens ― including pallid sturgeon and white shrimp — part of an ERDC outreach effort April 20, 2022, to local schools in celebration of Earth Day. (U.S. Army Corps of Engineers photo)