Sebastian Pereria, 8, son of Jose Pereria, crafter, Marine Corps Exchange, gets a firm grip on a rock during the Climbing Wall Family Night at the Combat Center's West Gym, Jan. 17, 2014. - Sebastian Pereria, 8, son of Jose Pereria, crafter, Marine Corps Exchange, gets a firm grip on a rock during the Climbing Wall Family Night at the Combat Center's West Gym, Jan. 17, 2014.