U.S. Army UH-60M Black Hawk helicopter flown by a crew from the California National Guard's Army Aviation Support Facility #1 at Joint Forces Training Base, Los Alamitos, prepares to place super sand bag filled at Whittier Narrows Dam Sept. 23. The U.S. Army Corps of Engineers Los Angeles District’s Emergency Management branch is conducting a Flood Control and Coastal Emergencies training exercise in Oct. 8. The exercise will involve picking up a sling loaded super sand bag and placing it in a notional breach of a Whittier Narrows Dam levee. USACE photo by Brooks O. Hubbard IV