GRAND BARA, Djibouti (April 21, 2012) - U.S. Air Force Tech. Sgt. James Brock (left), U.S. Army Staff Sgt. Jon Thomas and U.S. Army Pfc. Ivan Falcon pose for a photo early April 21 before starting a 100 mile "century" ride across the desert here on mountain bikes. Falcon, chaplain's assistant at Camp Lemonnier, Djibouti, led the century ride event in support of the American Diabetes Association Tour de Cure project, marking his fifth year of support. Brock, photojournalist for Combined Joint Task Force - Horn of Africa public affairs, is an avid cyclist. Thomas, a medic with the U.S. Army 490th Civil Affairs Battalion, provided medical support for the riders. (Courtesy photo)

GRAND BARA, Djibouti (April 21, 2012) - U.S. Air Force Tech. Sgt. James Brock (left) and U.S. Army Pfc. Ivan Falcon participate in a 100-mile "century" ride across the desert here on mountain bikes. Falcon, chaplain's assistant at Camp Lemonnier, Djibouti, led the century ride event in support of the American Diabetes Association Tour de Cure project, marking his fifth year of support. Brock, photojournalist for Combined Joint Task Force - Horn of Africa public affairs, is an avid cyclist. (Courtesy photo)

GRAND BARA, Djibouti (April 21, 2012) - U.S. Air Force Tech. Sgt. James Brock (right) and U.S. Army Pfc. Ivan Falcon participate in a 100-mile "century" ride across the desert here on mountain bikes. Falcon, chaplain's assistant at Camp Lemonnier, Djibouti, led the century ride event in support of the American Diabetes Association Tour de Cure project, marking his fifth year of support. Brock, photojournalist for Combined Joint Task Force - Horn of Africa public affairs, is an avid cyclist. (Courtesy photo)

GRAND BARA, Djibouti (April 21, 2012) - U.S. Air Force Tech. Sgt. James Brock (left) and U.S. Army Pfc. Ivan Falcon participate in a 100-mile "century" ride across the desert here on mountain bikes. Falcon, chaplain's assistant at Camp Lemonnier, Djibouti, led the century ride event in support of the American Diabetes Association Tour de Cure project, marking his fifth year of support. Brock, photojournalist for Combined Joint Task Force - Horn of Africa public affairs, is an avid cyclist. (Courtesy photo)

GRAND BARA, Djibouti (April 21, 2012) - U.S. Air Force Tech. Sgt. James Brock (left) and U.S. Army Pfc. Ivan Falcon participate in a 100-mile "century" ride across the desert here on mountain bikes. Falcon, chaplain's assistant at Camp Lemonnier, Djibouti, led the century ride event in support of the American Diabetes Association Tour de Cure project, marking his fifth year of support. Brock, photojournalist for Combined Joint Task Force - Horn of Africa public affairs, is an avid cyclist. (Courtesy photo)

GRAND BARA, Djibouti (April 21, 2012) - As seen in the rear view mirror of a medical support vehicle, U.S. Air Force Tech. Sgt. James Brock (left) and U.S. Army Pfc. Ivan Falcon participate in a 100-mile "century" ride across the desert here on mountain bikes. Falcon, chaplain's assistant at Camp Lemonnier, Djibouti, led the century ride event in support of the American Diabetes Association Tour de Cure project, marking his fifth year of support. Brock, photojournalist for Combined Joint Task Force - Horn of Africa public affairs, is an avid cyclist. (Courtesy photo)

GRAND BARA, Djibouti (April 21, 2012) - U.S. Air Force Tech. Sgt. James Brock (right) and U.S. Army Pfc. Ivan Falcon participate in a 100-mile "century" ride across the desert here on mountain bikes. Falcon, chaplain's assistant at Camp Lemonnier, Djibouti, led the century ride event in support of the American Diabetes Association Tour de Cure project, marking his fifth year of support. Brock, photojournalist for Combined Joint Task Force - Horn of Africa public affairs, is an avid cyclist. (Courtesy photo)