From left to right, Col. Andrew Baker, LA District commander; Derek Walker, LA District project manager for the Santa Ana River Mainstem Project; and Maj. Gen. Jason Kelly, U.S. Army Corps of Engineers deputy commanding general for Civil Works and Emergency Operations, pose for a picture March 4 after Walker received a Civilian Service Commendation Medal for his work on the project at the Prado Dam Resident Office in Corona, California.