The Probert Encyclopaedia of Ships

MARKSMAN

HMS Marksman was a British Lightning class destroyer of 1920 tons displacement built under the British War construction programme and launched in 1940. She was armed with six 4.7-inch guns; several smaller guns and eight 21-inch torpedo tubes. She was powered by two Admiralty 3-drum type boilers providing a top speed of 36.5 knots.
Research Marksman