A 4-million pound radar assembly is lowered into place aboard a converted offshore oil rig at the Kiewit Offshore Services in Corpus Christi, Texas, on April 3, 2005, for what will become the Sea-Based X-band Radar for the Missile Defense Agency. The Sea-Based X-band Radar is a unique combination of an advanced-radar with a mobile, ocean-going, semi- submersible platform that will provide the nation with highly advanced ballistic missile detection with the capability to discriminate hostile missile warheads from decoys or countermeasures. The radar's mobility gives it the capability to be positioned on the ocean to support Missile Defense Agency tests and also operationally support defense of our homeland, deployed forces and allies and friends. The 282-foot high structure will be home ported in Adak, Alaska, later this year.