More than 70% of the African forest elephant species has been wiped out, primarily by poachers slaughtering them for their ivory. Park rangers are on the front lines defending them. But in the Central African country of Gabon these park rangers, also known as eco-guards, aren't going it alone. Now the U.S military is joining the fight by helping to train the rangers who protect the elephants. VOA Pentagon correspondent Carla Babb gives us an exclusive look at the counter-poaching effort.