U.S. Army Corps of Engineers, Walla Walla Districts, Park Tech Sandy Hatton helps a student put on a life vest. Park Rangers use games to teach children "Reach, Throw, Row, Don't Go!" at the Water Safety Station during the Prospect Point Elementary School Field Day, Walla Walla, Wash. Corps personnel volunteered at the primary school and showed support to Walla Walla community youth with a Water Safety activity and play through Science, Technology, Engineer and Math. 