15 cm Tbts KC/36 is an 149,1 mm naval artillery gun developed and manufactured in Germany. It was in service with the Kriegsmarine, designed specifically for destroyers and was also used as coastal artillery.
The 15 cm Tbts KC/36 appears in Allied Assault at the Omaha Beach level, where they were supposed to be destroyed in the original scenario, but the scenario was cut off and the player can't see them (not counting the use of noclip cheat). It appears on Omaha Beach multiplayer map as a target for destruction. Next, the gun appears at the level of Kasserine Pass 2 in Breakthrough. Three of these guns open fire on the tank convoy, so they need to be destroyed. 15 cm Tbts KC/36 can be used to destroy infantry and other guns.
The destroyed cannon, which is very similar to the 15 cm TbtsK C/36, appears on the Saved By Sacrifice mission.