Defense

Lockheed precision-guided munitions tests successful

August 26, 2016By
Dual Mode Plus uses inertial guidance with GPS updates to shape flight path for target engagement at desired impact heading and dive angle. (Photo: Lockheed Martin)

Lockheed Martin’s new Dual Mode Plus laser guided bomb (LGB) successfully completed two recent flight tests at the Naval Air Warfare Center Weapons Division in China Lake, California. The tests demonstrated operation of the new linear optics, GPS/inertial navigation system (INS) guidance subsystem and the control actuation system, meeting all mission objectives. Released from an F/A-18 Super Hornet, the two... read more

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Considering GPS III in light of a PNT wager

August 10, 2016By
SV 01 in testing at Lockheed Martin's Denver facility. (Photo: LMCO)

It was not a big wager as wagers go, but the underlying premise spoke volumes. It all began innocently enough in 2005 when the first test, or proof of concept, Galileo satellite known as GIOVE-A was launched. Who won the wager, and what can that tell us about GPS III? read more

Vulcano weapon system to fire with Rockwell Collins NavFire GPS

August 8, 2016By

Rockwell Collins is bringing its NavFire Precision Positioning Service (PPS) GPS to Leonardo-Finmeccanica’s Vulcano family for naval and artillery applications. Derived from the field-proven 12-channel NavFire Precise Positioning Service GPS receiver, Rockwell Collins’ NavStrike military GPS offers high performance GPS for tightly coupled GPS/inertial navigation system (GPS/INS) integrations. “We have customized the NavFire receivers for the particular caliber of the ammunition, and... read more

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US Air Force releases GPS III-3 launch services RFP

August 4, 2016By
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The Air Force has released a Request for Proposal (RFP) for launch services for the GPS III-3 mission, scheduled to launch in 2019. Proposals are due Sept. 19; the contract will be a standalone contract for a single GPS III launch. The United Launch Alliance (ULA) and SpaceX are expected to compete for the contract. In April, SpaceX was chosen to launch the... read more

Spectracom adds resiliency for military communications system

July 25, 2016By

Secondary receiver uses eLoran to back up GPS time Spectracom has been selected to provide Interference, Detection and Mitigation (IDM) capability to its SecureSync precision time and frequency reference system to support Rohde & Schwarz Benelux B.V. and the Netherlands Ministry of Defence for secure long-range military communications systems. The upgrade, which is based on a secondary receiver that extracts... read more

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The GPS Update Syndrome

July 13, 2016By
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The I-want-free-advice syndrome was once called the “Doctor Syndrome” or “Expert Syndrome.” I have recently heard it referred to as the “unsolicited advice” syndrome, because there is a new version that involves shaming the expert in to giving free advice. Occasionally those of us with expertise in an area of interest, which certainly include doctors and lawyers, are faced with... read more

GPS ground control making progress, but needs more money

July 12, 2016By

The Pentagon is seeking an additional $39.2 million from Congress to help develop the United States Air Force’s next-generation GPS ground control system (OCX), reports Inside Defense. Without the additional funding, the OCX would be delayed an additional four months and cost $90 million more to complete, the Pentagon said. The embattled OCX showed progress in its July 7 quarterly review,... read more

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Networking for assisted PNT

July 8, 2016By
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A networked radio from Thales is designed to meet soldiers’ need for assured positioning, navigation and timing (PNT) while on foot. The MBITR2 is part of a broader defense effort to provide PNT solutions in case of GPS jamming or interference. The MBITR2 is one of a number of devices and technologies, many still in development, to address this need.... read more

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