Brig. Gen. Mark Toy, commanding general of the USACE South Pacific Division and Don Knabe, Los Angeles County supervisor, presented a scroll to Ron Weiss, a former USACE employee who worked on the marina since its beginning in the 1950s at a ceremony April 10. USACE workers were recognized at Marina del Rey's 50th Birthday Bash for the design and work efforts in taking and keeping Marina del Rey from the duck hunting marsh it was into the marina it is today.