The 8.8 cm SK L/30 (SK - Schnelladekanone L - Länge was a German naval gun that was used in World War I on a variety of mounts.

The A-class torpedo boats were a class of German single-funnelled torpedo boat/light destroyer designed by the Reichsmarineamt for operations off the coast of occupied Flanders in the First World War. The "A" designation was to avoid confusion with older classes and designs. They were classed officially as "coastal torpedo boats" to differentiate from larger, ocean-going torpedo boats.