The GPS that guides our earthbound travels is useless for space travel. But NASA believes that X-rays emitted from collapsed stars known as pulsars can be used to track spacecraft in the vastness of space and is testing the concept with an experiment called Station Explorer for X-ray Timing and Navigation Technology, or SEXTANT.
The new year is shaping up as a promising one for rocketry and space exploration. Among the coming events are this month's expected launch of SpaceX's Falcon Heavy rocket, an attempt by India to land a rover on the moon in March and NASA's latest Explorer mission, which could launch as early as May, delivering the rover to the red planet in November.
Boeing Co. has unveiled its prototype unmanned cargo air vehicle, which can take off and land vertically and features an eco-friendly electric propulsion system and will be used to test the company's autonomous technology. "Our new CAV prototype ... presents new possibilities for autonomous cargo delivery, logistics and other transportation applications," said Steve Nordlund, vice president of Boeing HorizonX.
California's devastating Thomas Fire burned away vegetation, baring hillsides that now pose a significant danger, particularly in heavy rains. At least 17 people have died as a result of a mudslide in Montecito.
Coast Guard cutters are hard at work freeing icebound vessels in the Great Lakes, where ice coverage is nearing 30%. Photos reveal the extreme nature of the challenge.
Marine Corps F-35B stealth fighters now have greater flexibility in the 7th Fleet's area of operations with the arrival of the amphibious assault ship USS Wasp. The fighters are seen as a potent asset in any confrontation with North Korea.
The USS Carl Vinson carrier strike group has left San Diego for the Western Pacific on a regular maritime security and freedom-of-the-seas deployment. The group will be carrying out operations with international partners.
The aircraft carrier has been criticized for decades as too big and cumbersome for modern naval warfare. But, writes Richard Bitzinger, more nations are adding carriers or plan to do so, valuing the giant ships' symbolism and restructuring defense scenarios around their presence.
Raytheon will provide support as a design agent for the Evolved Sea Sparrow Missile under a $37.5 million contract awarded by the Navy. The ESSM is a collaborative project among 12 NATO members to improve the RIM-7 Sea Sparrow Missile for defense against short-range anti-ship missiles.
Northrop Grumman will provide field and marine repair services for navigation and nautical systems under a $30 million Pentagon contract. Included is repair work for the AN/WSN-7 Inertial Navigation System, the AN/WSN-7A Ring Laser Gyro Navigation Systems, the AN/WSN-7B Ring Laser Gyrocompass and ancillary commercial equipment.
- Page 1