MASTERCHEF: The home cooks compete in the biggest field challenge in MASTERCHEF history: feeding an army of 500 servicemen and women on a desert army base in the all-new "Top 20 Compete" episode of MASTERCHEF airing Monday, June 9 (8:00-9:00 PM ET/PT) on FOX. Pictured L-R: Contestant Christian Green, Graham Elliot and Joe Bastianich. CR: Greg Gayne / FOX. © Copyright 2014 FOX BROADCASTING CO.