Search results
Results from the WOW.Com Content Network
The systems commands replaced the Navy bureau system in 1966 and report to the Assistant Secretary of the Navy for Research, Development and Acquisition. [1] The current Navy systems commands are: Naval Sea Systems Command (NAVSEA) Naval Air Systems Command (NAVAIR) Naval Information Warfare Systems Command (NAVWAR) (formerly SPAWAR),
The catapult operator then pushes a button to fire the catapult. Once the catapult fires, the hold-back breaks free as the shuttle moves rapidly forward, dragging the aircraft by the launch bar. The aircraft accelerates from zero (relative to the carrier deck) to about 150 knots (280 km/h; 170 mph) in about 2 seconds.
The Electromagnetic Aircraft Launch System (EMALS) is a type of electromagnetic catapult system developed by General Atomics for the United States Navy. The system launches carrier-based aircraft by means of a catapult employing a linear induction motor rather than the conventional steam piston , providing greater precision and faster recharge ...
Based on its experiences with the launching of short-range theater missiles by Iraq during the 1991 Persian Gulf War, the U.S. Department of Defense (DoD) concluded that expanded theater missile warning capabilities were needed, and it began planning for an improved infrared satellite sensor capability that would support both long-range strategic and short-range theater ballistic missile ...
Effective 1 October 2001, the U.S. Navy developed a "Lead-Follow" arrangement among its type commands wherein one type commander is designated the senior lead for the specific "type" of weapon system (i.e., naval aviation, submarine warfare, surface warships) throughout the entire operating U.S. Fleet as it pertains to modernization needs, training initiatives, and operational concept development.
In line stabilisation, the glide path is stabilised to infinity. As the deck pitches and rolls, the source lights are rolled to maintain a steady glide-slope fixed in space. Inertial stabilisation functions like line, but also compensates for the flight deck heave (the straight up and down component of deck motion).
The United States Navy 30 ft (9.1 m) catapult used a smokeless powder charge to accelerate the plane to 80 mi (130 km) per hour. [ 2 ] (0 to 80 in one-half second) A capital ship preparing to recover its aircraft would steam into the wind and signal the aviator which way it would turn across the wind to provide a sheltered landing surface.
The ship's chief engineer became responsible for the catapult, and the first mate acted as catapult duty officer (CDO), responsible for firing the catapult when directed. The single Hurricane fighter was launched only when enemy aircraft were sighted and agreement was reached using hand and flag signals between the pilot, CDO, and ship's master.