The homing tag (1) has a transmissive housing (3), which is attached to a cartridge case (5). The transmissive housing (3) includes an aft body (7) to provide an interface with the cartridge case (5). Rotating bands (9) are located at a leading edge of the aft body (7). The transmissive housing (3) further includes a central body (11). The ogive-shaped nose (13) is formed of transparent material. A pluralit of slots (15) are provided for cooling the transmissive housing (3).