September 14, 2018 | International, Aerospace
AMY MCCULLOUGH
The Air Force plans to redesign the oxygen system in its T-6 Texan II and adjust oxygen control levels in flight, after an exhaustive study determined that varying levels of oxygen concentrations were to blame for the hypoxia-like symptoms reported by pilots.
The service grounded its primary trainer fleet earlier this year while it inspected the Onboard Oxygen Generation System (OBOGS) on all T-6 aircraft, and it stood up an independent review team to determination potential causes.
“So far, technical efforts to date and analysis of data collected have determined that pilots have been exposed to significantly changing levels of oxygen concentration,” said Lt. Gen. Steven Kwast, AETC commander. “The varying levels of oxygen concentration, even though in excess of what the body typically needs, has caused physiological stress that most pilots, on most days, actually adapt to without noticing.” However, the physiological stress of the changing oxygen levels can cause some pilots to experience symptom similar to hypoxia (lack of oxygen), hypocapnea (lack of carbon dioxide), and other related conditions, said Kwast in a press release issued late Thursday.
It is expected to take two to four years to redesign the OBOGS system and fully stabilize oxygen levels in the T-6, a joint effort between Air Education and Training Command and Air Force Materiel Command. The two major commands also are working with industry “to adjust the OBOGS software algorithm to stabilize oxygen concentrations,” according to the release.
“While this should reduce physiological events, the Air Force will pursue a broader redesign,” states the release.
The Air Force and the Navy also have worked together to come up with new maintenance procedures to ensure the OBOGS system operates more efficiently. And, AETC will provide additional training for pilots to help them identify such symptoms and then learn how best to react if they ever encounter them in flight.
“Since our T-6 operational pause, we have made every effort to communicate with every instructor and every student exactly what we've found,” Maj. Gen. Patrick Doherty, 19th Air Force commander, said. “Transparency remains of utmost importance to use as we all work together to ensure that our pilots are safe and know the way ahead.”
March 11, 2022 | International, Aerospace
L’approvisionnement en titane représente le principal risque pour l’avionneur, dont les activités dans la défense connaîtront des retombées positives.
December 17, 2020 | International, Land
By: Sebastian Sprenger COLOGNE, Germany — The European Commission has awarded Estonia and the country's robotics company Milrem a grant to lead the way on a standard architecture for military unmanned ground vehicles, the company announced. The deal, worth close to $40 million and signed Dec. 11, formally kicks off a pan-European development for a new generation of battlefield ground robots. Named Integrated Modular Unmanned Ground System, or iMUGS, the project uses Milrem's THeMIS vehicle as a reference platform for creating a “standardized European-wide ecosystem for aerial and ground platforms,” according to the company. Also covered by the project is relevant technology in the fields of command and control, communications, sensors, payloads, and algorithms. The connection to the European Union's coffers comes through the bloc's European Defence Industrial Development Programme. Besides Estonia as the lead, Belgium, Finland, France, Germany, Latvia and Spain also are part of the iMUGS group, adding a combined €2 million (U.S. $2.4 million) to the effort. The countries each bring their relevant national companies to the table, including Safran Electronics & Defense, Nexter Systems, Krauss-Maffei Wegmann, Diehl Defence, and Bittium Wireless. “Estonia has the honor and a great responsibility taking the lead in this project as nothing on a similar scale has been conducted before,” said Martin Jõesaar, chief of the project office in the Estonian Centre for Defence Investment. “Our goal is not only making iMUGS a one-time effort, but to build it into a base project for future developments. Our long-term goal is that each of the modular systems built will pave a way for further innovation in its field.” While the sums involved in iMUGS are relatively small in the world of defense programs, the effort has the potential to shape the European market for military robotic vehicles. The initiative is a prime example of defense companies like Milrem, some of them years ago, sensing a chance to position their own offerings firmly in the thicket of European defense priorities. But the THeMIS robot is not the only game in town. Rheinmetall is equally trying to position its unmanned portfolio in the European market, even without EU backing. In the case of its Mission Master vehicle, the intellectual property belongs to the company's Canadian division, which makes support through EU channels tricky. Still, the vehicle is being tried by the land forces of several countries on the European continent. According to Milrem, European countries are expected to need thousands of ground robots during the next 10-15 years, creating a market valued in the billions of euros. “With seven participating nations and key industrial players, the unmanned ground system developed during iMUGS is expected to become the preferred European solution for integrating into armed units,” the company claims. https://www.defensenews.com/global/europe/2020/12/16/european-union-awards-grant-to-forge-unmanned-ground-vehicle-standard/
April 29, 2021 | International, Aerospace, Naval, Land, C4ISR, Security
Last year, global military spending grew to nearly $2 trillion.