WALLA WALLA, Wash. – The Walla Walla District of the U.S. Army Corps of Engineers is hosting “Industry Day” in Walla Walla, Wash., on April 28 and Boise, Idaho, on May 12. The district is inviting anyone interested in learning about tools needed to do business with the Corps, upcoming contract opportunities and how to compete for them, or showcasing their capabilities to Corps personnel. There is no charge to participate, but seating is limited, and RSVPs are required.