Tone was promoted from (temp 2nd Lieutenant) Flight Officer to Flight Commander (& temporary captain) along with J B McCudden [Service record card; London Gazette 1/6/17]
from Christophe Fran
Promotion to Flight Commander
Month: May 1917
Tone was promoted from (temp 2nd Lieutenant) Flight Officer to Flight Commander (& temporary captain) along with J B McCudden [Service record card; London Gazette 1/6/17]