From left, Jonathan Hallemeier, Alan Wells, Chris Stanton and Joel Pliskin of the U.S. Army Corps of Engineers Los Angeles District Silver Jackets planning team pose for a photo May 30 in Birdsprings, Arizona. The Birdsprings Chapter of the Navajo Nation hosted the inaugural flood-response tabletop exercise in partnership with the Silver Jackets, a program that brings together local, tribal, state and federal agencies to collaboratively address flood risk and other natural hazards. (Photo by Robert DeDeaux, Los Angeles District PAO)