From Citizendium, the Citizens' Compendium
- Navigation : Techniques for determining one's own position, a feasible course to be taken to a desired new position, and journeying on that course
- Radar : (acronym for "radio detection and ranging") A technique used for detecting and tracking targets, navigation, imagery, and special applications.
- Burke-class : Large U.S. Navy multirole destroyers equipped with AEGIS battle management system and constant upgrades; Japan has Kongo-class clones, also being upgraded to ballistic missile defense; South Korea has the KDK-class
- Ticonderoga-class : Modern U.S. Navy cruisers usually serving as carrier or amphibious escorts, but capable of independent action including long-range strike, anti-air/anti-ballistic missile/anti-satellite warfare, naval gunfire support, and antisubmarine warfare.