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