Summary: John Frederick Fox, born on 22nd November 1871, joined the service on 27th April 1891, and was appointed as a Commander on the "Lady Fraser". His career included various roles, such as Mate Pilot, Master Pilot, and Branch Pilot. He was stationed in Calcutta and granted furlough and privilege leave for various durations. Additionally, he was given a commission by the Secretary of State for Inland Water Transport under the War Office during his service. His leave periods were extended, with leaves granted on average pay and half average pay, reflecting a significant and varied career trajectory.