Surface-to-surface missile
Encyclopedia : S : SU : SUR : Surface-to-surface missile
A surface-to-surface missile (SSM) is a guided projectile launched from a hand-held, vehicle mounted, trailer mounted or fixed installation or from a ship. They are often powered by a rocket motor or sometimes fired by an explosive charge, since the launching platform is typically stationary or moving slowly. They usually have fins and/or wings for lift and stability, although hyper-velocity or short-ranged missiles may utilise body lift or fly a ballistic trajectory.
Contemporary surface-to-surface missiles are usually guided. An unguided surface-to-surface missile is usually referred to as a rocket (for example, an RPG-7 or M72 LAW is an anti-tank rocket whereas a BGM-71 TOW or AT-2 Swatter is an anti-tank guided missile).
Surface-to-surface missiles are usually broken down into a number of categories:
- ballistic missiles travel in a high trajectory, motor burns out partway through flight
- * tactical SSMs are usually short-range ballistic missiles (SRBMs), <1000 km (600 mi)
- * strategic SSMs are usually:
- ** medium-range ballistic missiles (MRBMs), 1000-3000 km (600-2000 mi)
- ** intermediate-range ballistic missiles (IRBMs), 3000-4800 km (2000-3000 mi)
- ** long-range ballistic missiles (LRBMs), 4800-8000 km (3000-5000 mi)
- ** intercontinental ballistic missiles (ICBMs), >8000 km (5000 mi)
- cruise missiles travel low to the ground, motor burns during entire flight, typical range 2500 km (1500 mi)
- anti-tank guided missiles travel low to the ground, may or may not burn motor throughout flight, typical range 5 km (3 mi)
- anti-ship missiles travel low over the ground and sea, often pop up or jink before striking ship, typical range 130 km (80 mi)
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