 The term surface-to-surface missile (SSM) is used when appropriate.The longer-range anti-ship missiles are often called anti-ship cruise missiles.A typical abbreviation for the phrase "anti-ship missile" is AShM or ASHM, it used to avoid confusion with air-to-surface missiles (ASMs), anti-submarine missiles (Anti-Submarine Warfare Missiles (ASWMs)) and anti-satellite missiles (ASatMs or ASATMs).