Abstract: Unmanned Underwater Vehicle (UUV) typically employs the Doppler velocity logger/Strapdown Inertial Navigation System (DVL/SINS) integrated navigation mode for underwater operations, yet it ...

The Space Launch System rocket program is now a decade and a half old, and it continues to be dominated by two unfortunate traits: It is expensive, and it is slow. The massive rocket and its ...

NASA plans an on-pad repair of the fuel leak that derailed an overnight dress rehearsal countdown for the agency's huge Artemis II rocket. The agency then plans a second fueling test before making ...

NASA delays astronauts’ lunar trip until March after hydrogen leaks mar fueling test NASA delays the first Artemis moonshot with astronauts because of extreme cold at the launch site Video shows ...

CAPE CANAVERAL, Fla. (AP) — NASA fueled its new moon rocket in one final make-or-break test Monday, with hopes of sending astronauts on a lunar fly-around as soon as this coming weekend. The launch ...

The launch team began loading the 322-foot (98-meter) rocket with super-cold hydrogen and oxygen at Kennedy Space Center late at midday. More than 700,000 gallons (2.6 million liters) had to flow into ...

Tuning into the feed at optimal times could unveil the imposing 322-foot spacecraft in the foreground of a stunning sunset or sunrise, or show it prominently lighting up the night sky. As early as ...

Tuning into the feed at optimal times could unveil the imposing 322-foot spacecraft in the foreground of a stunning sunset or sunrise, or show it prominently lighting up the night sky. As early as ...

Inertial Labs, a Viavi Solutions Inc. company, has announced IRINS, a low Earth orbit (LEO)-aided inertial navigation system (INS) designed to allow full operation across land, air and sea in ...

System enables full D3SOE operation on land, air and sea by integrating state-of-the-art positioning, navigation and timing technologies from VIAVI The IRINS embedded system has been developed to ...

North Korea test fired a multiple rocket launcher system Jan. 27, 2026, striking a maritime target, state media reported. Korean Central News Agency photo North Korea struck a maritime target Tuesday ...