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In 2001 the DOD began to design the Secure Electronic Registration and Voting Experiment (SERVE). The two design teams introduced several innovative concepts and systems never before seen on a modern warship. Finally, two 57-millimeter close-range guns fire 220 rounds per minute from the bow of the ship. The first two ships in the class are currently being built, with a targeted delivery date of 2012. When it's commissioned, the DDG 1000 Zumwalt will replace older destroyers of the Spruance class (DD 963 - DD 997) and will complement ships in the Arleigh-Burke class, ushering in a new era of naval warfare.

The key is versatility, with ships in the SC-21 family able to handle virtually any mission, from wartime missions in land attack and undersea warfare to noncombatant evacuations to presence, escort and diplomatic missions.

Each launching system comes with modular electronic architecture, making it easy to accommodate both existing and future missiles for land attack, anti-ship, anti-submarine and anti-air warfare. Northrop Grumman Ingalls, with Raytheon Systems Co. as the system integrator, led the other. The F-15 Strike Eagle has an additional station in the back of the cockpit for a weapons systems officer, or WSO (pronounced "wizzo"). Possibly the most famous passenger aircraft in the world, the Boeing 747 'Jumbo Jet' entered service in 1970.

It is easily recognizable thanks to a distinct hump which forms the upper deck behind the cockpit. The electric motor designed to power the propellers will be one of the most advanced in the world, capable of maintaining a top speed of 30 knots. Soldiers (the official term for anyone in the Army) in the reserve typically train one weekend per month, with a two-week training period occurring once each year. An other than honorable discharge is given to soldiers with more serious misconduct.

Soldiers may voluntarily leave the Army when their term of enlistment has ended, although they may also sign a contract for another term of service.

It may seem impossible to make a 600-foot long ship invisible to the enemy, but that's one of the DDG 1000's most important requirements. According to the Air Force, one F-15 Strike Eagle goes for $31.1 million. In the next section, we'll find out what the F-15 is actually packing when it goes to war. At the same time, SC-21 ships will need to function equally well out in the open ocean.