U.S. Air Force Capt. Colin Merrin of Santee is making his final push to summit Mount Everest. If he and his team of fellow airmen climbers succeed, they will become the first group of active-duty U.S. military to reach the top of the world's highest peak.
Merrin is part of the USAF Seven Summits Challenge team. According to the team's blog, the climbers arrived at Camp ...














