Unmanned aircraft to be used in search for Roald Amundsen 's plane . Amundsen 's plane crashed in Antarctica while he was on a rescue mission to South Pole . The first to reach South Pole ; credited with being first to both poles . Search due to begin later this year .
Unmanned submarine to be used in search for Roald Amundsen 's plane . Amundsen 's plane crashed in 1928 while he was on a rescue mission to North Pole . Amundsen first to reach South Pole ; credited with being first to both poles . Search due to begin later this year .