Air Defense Systems

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Air Defense Systems

"To advance the readiness and effectiveness of U.S. Naval and other military forces, operating singly or in a joint warfare context, through research, development, engineering, and test and evaluation of current and future air defense and related systems and technologies."
   


Air Defense Systems Programs comprise the largest set of activities at The Johns Hopkins University Applied Physics Laboratory (JHU/APL). The heritage of these programs dates back to the research, development, and engineering of the anti-aircraft Variable Time (VT) fuze used during World War II. Following World War II, the work extended into the foundations and development of the science of guided missilery, the development of Navy surface-to-air guided missiles and associated equipment, and the system engineering of this equipment into a weapon system.

A System Engineering focus has been constantly evolving from the total missile to all the shipboard elements required to conduct a missile engagement, to all the shipboard sensors and weapons employable in an Anti-Air Warfare (AAW) engagement, to the networking of Battle Group resources for force-wide AAW, and today, to littoral operations that combine the assets of U.S. military services as well as Allied services. Currently, activities focus on enhancing the operational capabilities of Naval systems engaged in ship self-defense, ballistic missile defense, and cruise missile defense in both oversea and overland environments. Our approach to problem solving is to recognize and quantify needs, develop operationally responsive system concepts, perform critical experiments, and transfer operationally validated technical solutions to producers. To be effective at doing this, APL maintains a continuing presence in at-sea operationsAir Defense Systems

"To advance the readiness and effectiveness of U.S. Naval and other military forces, operating singly or in a joint warfare context, through research, development, engineering, and test and evaluation of current and future air defense and related systems and technologies."
   


Air Defense Systems Programs comprise the largest set of activities at The Johns Hopkins University Applied Physics Laboratory (JHU/APL). The heritage of these programs dates back to the research, development, and engineering of the anti-aircraft Variable Time (VT) fuze used during World War II. Following World War II, the work extended into the foundations and development of the science of guided missilery, the development of Navy surface-to-air guided missiles and associated equipment, and the system engineering of this equipment into a weapon system.

A System Engineering focus has been constantly evolving from the total missile to all the shipboard elements required to conduct a missile engagement, to all the shipboard sensors and weapons employable in an Anti-Air Warfare (AAW) engagement, to the networking of Battle Group resources for force-wide AAW, and today, to littoral operations that combine the assets of U.S. military services as well as Allied services. Currently, activities focus on enhancing the operational capabilities of Naval systems engaged in ship self-defense, ballistic missile defense, and cruise missile defense in both oversea and overland environments. Our approach to problem solving is to recognize and quantify needs, develop operationally responsive system concepts, perform critical experiments, and transfer operationally validated technical solutions to producers. To be effective at doing this, APL maintains a continuing presence in at-sea operations
Aegis Combat System Program      

Today's U.S. Navy Guided Missile Combatant force comprises almost exclu- sively Aegis cruisers and destroyers. In 1982, the first Aegis ship joined the Fleet. Today, there are more than 50 Aegis combatants. APL, as the System Laboratory and TA to the Aegis Shipbuilding Technical Director, has contributed to Aegis development from the start. APL developed the prototype of the AN/SPY-1 radar. The prototype was used to investigate the technology that would make the future Aegis Weapon System (AWS) operationally effective. In Weapon Control, APL defined the missile-to-ship uplink/downlink communications concept, design, and equipment. Other early contributions included the demonstration and definition of operator and command support systems in the Combat Information Center (CIC).

APL has maintained a strong technical presence in Aegis Detect, Control, and Engage areas. We led the Government effort to define the upgrades to the AN/SPY-1A radar, approaches to combat system sensor integration, and approaches to offboard and overhead information integration. Building on its technical role in STANDARD Missile (SM), we defined approaches to AWS integration of SM-2 Blocks III and IV that take full advantage of each missile's performance. APL continues to conduct critical experiments to validate new technical approaches; examples are the development of a high-performance, distributed, commercial-off-the-shelf (COTS)-based Aegis Combat System computer suite and the development and operational evaluation of a fully functional COTS-based Aegis Display System (ADS) prototype.
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