The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

If GPS and radar go down, U.S. aircraft carriers can navigate using celestial navigation, sextants, compasses, and ...

Ship wakes, the characteristic wave patterns generated by vessels, provide a crucial indicator of maritime activity and hydrodynamic processes. When captured by Synthetic Aperture Radar (SAR), these ...

Synthetic Aperture Radar (SAR) ship detection has emerged as a vital technique for maritime situational awareness, offering the ability to monitor vessels under diverse environmental conditions and ...

A radar beacon that helps guide ships through the San Francisco-Oakland Bay Bridge is broken, raising concerns about possible ship strikes. The San Jose Mercury News reported Friday that the beacon ...

The Navy's stealthy USS Zumwalt destroy is preparing to fire its first missile as part of an effort to prepare the ships radar, weapons and tracking system as the service the new, high-tech attack ...