The Ship's Camel was very similar to the normal Camel but more easily broken up for storage and equipped with air bags in the rear fuselage. The air bags were intended to to ensure that the tail stuck out of the water after the plane was ditched in the sea.

Barham was refitted at Rosyth from 8 Feb to Mar 1918, and relieved as Flagship, 5th Battle Squadron, by Warspite while she was in dock.

Warspite went into refit shortly after Barham returned to service, most likely for the same changes.

During this refit HMS Barham was given aircraft platforms on 'B' and 'X' turrets, to enable her to operate two Sopwith Camel or Sopwith 1½-Strutter fighters, for observation of fall of shot.

Camels and 1½-Strutters were sometimes mixed, with both types on the same ship at the same time, and were used by all the heavy ships fitted with flying off platforms in this period.

Info from Jon Summers