The boat badge of HMS 'Trusty' 1918. The official design approved in September 1919. On a field green, a bull terrier's head proper, collared gold. The design illustrates the name. The badge is shield-shaped with a gold rope twist border representing an destroyer. It is made of cast brass, painted and drilled at the corners. 'TRUSTY' is inscribed on the reverse. HMS 'Trusty' was a S-class destroyer, launched in 1918 and broken up in 1936.