The Gotland Coastal Artillery Regiment, designation KA 3, was a Swedish Navy coastal artillery regiment of the Swedish Armed Forces which operated between 1937 and 2000. The unit was based in Fårösund in Gotland.

Lieutenant General Carl Gunnar Eklund was a senior Swedish Coastal Artillery officer. Eklund's military journey began in 1941 when he became a second lieutenant in the Gotland Coastal Artillery Corps. Over the years, he steadily climbed the ranks, demonstrating a strong interest in technology. He attended the Royal Swedish Naval Staff College and later became a captain. His service included teaching roles at military colleges, and he attained the rank of major in 1957. Eklund also held significant positions, including heading the Defence Staff's Research Department and serving as a commanding officer in various coastal artillery units. His military career culminated in his role as Chief of the Defence Staff and as a military commander.