A pilot of an S.E.5a of No. 1 Squadron firing the Lewis Gun on the upper plane of his machine. <a href="https://en.wikipedia.org/wiki/Clairmarais_aerodrome" class="extiw" title="en:Clairmarais aerodrome">Clairmarais aerodrome</a>, near St. Omer, 3 July 1918.
<bdi><a href="https://www.wikidata.org/wiki/Q38200369" class="extiw" title="d:Q38200369"><span title="British photographer">David McLellan</span></a>
</bdi>
IWM - IWM