Born in
Llanfairfechan,
Wales, Baker joined the
Royal Navy ("for land service") on 27 October 1914, and was immediately
rated petty officer mechanic, and assigned to the
Royal Naval Air Service Armoured Car Section as a
despatch rider. At the time he joined up he was described as being five feet eight and four-fifths inches tall, with a thirty-eight inch chest, "medium brown" hair, blue eyes and a "medium" complexion. Baker was assigned to
41 Squadron, with which he spent his entire nine-month combat flying career, during which time he was reputed to have shot down several German aircraft. Baker transferred to the new
Royal Air Force on its formation as a merger of the RFC and RNAS on 1 April 1918. He was awarded the
Air Force Cross in the 1918
King's Birthday Honours; the announcement was made the same day that the medal was instituted. Because Baker was first in the alphabetically ordered list of recipients, His final job for the military was in the Secret Codes Department,
Air Ministry, from May 1920 until he resigned his commission on 1 October 1921, and was permitted to retain the rank of captain. ==Civilian life==