Photo Information A rider observes his progress during the Annual Earth Day Mountain Bike Ride held near Range 100 aboard the Combat Center April 13, 2016. The eight-mile ride started at Range 100 and took participants through designated trails behind the range. (Official Marine Corps photo by Pfc. Dave Flores/Released) Photo by Pfc. David Flores Download Details Share Combat Center hosts Annual Earth Day Mountain Bike Ride 21 Apr 2016 | Cpl. Julio McGraw, Pfc. David Flores Marine Corps Air Ground Combat Center Twentynine Palms PRINT SHARE Twentynine Palms -- The Annual Earth Day Mountain Bike Ride held near Range 100 aboard the Combat Center April 13, 2016. The ride started at Range 100 and took participants through designated trails behind the range. More Media Annual Earth Day Mountain Bike Ride Photo by Pfc. David Flores Download Details Share Annual Earth Day Mountain Bike Ride Photo by Pfc. Dave Flores Download Details Share Annual Earth Day Mountain Bike Ride Photo by Pfc. Dave Flores Download Details Share Annual Earth Day Mountain Bike Ride Photo by Pfc. Dave Flores Download Details Share Annual Earth Day Mountain Bike Ride Photo by Cpl. Julio McGraw Download Details Share Annual Earth Day Mountain Bike Ride Photo by Cpl. Julio McGraw Download Details Share Annual Earth Day Mountain Bike Ride Photo by Cpl. Julio McGraw Download Details Share Annual Earth Day Mountain Bike Ride Photo by Cpl. Julio McGraw Download Details Share Tags Earth Day , MCAGCC , Combat Center