In order for the Congo to receive vital supplies, brave men and women known as bush pilots must risk life and limb to transport cargo to this remote region of the world. Landing strips are often little more than pitted dirt roads, local militia is known to fire on them and water buffalo may block the runway, so what drives them to do it? In this episode of Explorer, we'll meet some bush pilots, hear their harrowing accounts and witness firsthand the challenges they face in the Congo.