USS Antietam Harpoon Missile SINKEX — How It Works Description - USS Antietam fired an RGM‑84 Harpoon missile during a controlled SINKEX (Sink Exercise) off the U.S. coast. The missile flies at sea-skimming altitude, carrying a 220‑kg warhead with a range of between 110 and 130 km. Its active seeker locks onto the target, and terminal guidance steers it to impact. The target vessel was safely cleared for the exercise and sank to form an artificial reef, demonstrating how naval crews train with r

The Ticonderoga-class guided missile cruiser USS Antietam conducts a live-fire air defense exercise. During this exercise, the cruiser launched a standard missile along with chaff to simulate and practice air defense capabilities. | Interesting Engineering