Lieutenant Douglas Charles Bacon
(Acting Captain)

Lieutenant H F Baker
(Later promoted to Captain)

Lieutenant William Gardiner Elder
(Later promoted to Captain)

Lieutenant W R Elliot
(Previous Private and later Captain)

Lieutenant Thomas Gardner

Lieutenant Howard L Goldby
(Later Captain)

Lieutenant E F Gunning

Lieutenant H  C Hasslacher

Lieutenant R G Jones

Lieutenant L W Kempe

Lieutenant A M Lane

Lieutenant Henry Chandler Lovell 

Lieutenant Kenneth James Malcolm

Lieutenant W G Thompson

Lieutenant E J C Vint

Lieutenant L E M Weatherley

Lieutenant Balfour Talbot Woolfe
​(Later Promoted to Captain)