Ryan & Deacon in the Desert

Ryan Phillippe takes 3-year-old Deacon to work on the last day on location, shooting for the upcoming war flick Stop Loss.

The father-son cuties were spotted in the desert 50 miles north of Los Angeles on Wednesday afternoon.

Also on set: Australian siren Abbie Cornish. The relationship between Abbie and Ryan has been cited as the reason for the failure of Ryan‘s marriage to Reese Witherspoon.

15+ pictures inside of Ryan, Deacon and Abbie…