The AGM-86C Cruise Missile is a long distance, sub-sonic, air-launched GPS-guided cruise missile. It has the same slider options in the SPH as other missiles, but you can also set its cruise altitude – from 30 to 2500 meters.
Unlike the RBS-15, this cruise missile only carries its own internal engine, and does not come equipped with rocket boosters to assist in launching it. For this reason, the missile must be launched from an airborne vessel at cruising speed.
See also the tutorial for targeting a cruise missile.