Frank A. Worsley, a native New Zealander, served as a reserve officer in the Royal Navy before becoming captain of the Endurance. His navigation skills were crucial to the eventua survival of the crew. He died in 1943. He commanded two ships in World War I, for which he was decorated, sailed with Shackleton again in 1921, and in 1925 was the joint leader of the British Arctic Exploration. Worsley died in 1943.