Former Lance Cpl. Erik Galvan (right) and Sgt. Daniel Wheeler had a professional friendship that was nearly destroyed by an IED — but, with time, they reconciled. StoryCorps hide caption

itoggle caption StoryCorps

SkyTruth followed the ship Shin Jyi Chyuu 33 during one week last month. Planes are connected to a satellite network just like ships, but the information is only collected if the airline pays for it. Courtesy of SkyTruth via Exact Earth ShipView hide caption

itoggle caption Courtesy of SkyTruth via Exact Earth ShipView