Sir John Capper
...that British military engineer Major-General Sir John Capper helped develop both airships and tanks during his service with the Royal Engineers?
...that British military engineer <a class="mw-redirect" href="./Major-General_(UK)" id="mwCw8" rel="mw:WikiLink" title="Major-General (UK)">Major-General</a> <b id="mwCxA"><a href="./John_Capper" id="mwCxE" rel="mw:WikiLink" title="John Capper">Sir John Capper</a></b> helped develop both <a class="mw-redirect" href="./Airships" id="mwCxI" rel="mw:WikiLink" title="Airships">airships</a> and <a class="mw-redirect" href="./Tanks" id="mwCxM" rel="mw:WikiLink" title="Tanks">tanks</a> during his service with the <a href="./Royal_Engineers" id="mwCxQ" rel="mw:WikiLink" title="Royal Engineers">Royal Engineers</a>?