Former NFL players, Tedy Bruschi and Chad Lewis and a former marine, Nancy Schiliroare planning to climb Mount Kilimanjaro along with four injured service members. The climb marks the launch of the Wounded Warrior Project "Believe in Heroes" campaign. The climb takes place the May 13th-19th. Viewers can follow the climb on the believeinheroes.org website. The team speaks with CNN's American Morning about the challenge.