EGLIN AIR FORCE BASE, Fla. - A Virginia class submarine fired a Raytheon Tomahawk Block IV missile from the Gulf of Mexico to engage a simulated target. The flight completes the integration of the Tomahawk cruise missile onto the Navy's newest fast-attack submarine. Tomahawk Block IV is a surface- and submarine-launched precision strike stand-off weapon. It is designed for long-range precision strike missions. (Source: PRNewswire, 10/21/08)