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February 11, 2022 | International, Aerospace

For the first time, Black Hawk helicopter flies without anyone aboard

Sikorsky and the Defense Advanced Research Projects Agency flew a Black Hawk helicopter for 30 minutes with no one inside through the ALIAS program.

https://www.defensenews.com/land/2022/02/08/black-hawk-helicopter-flies-unmanned-for-the-first-time/

On the same subject

  • Welcome to Thunderdome: Pentagon awards zero trust architecture prototype

    January 26, 2022 | International, C4ISR

    Welcome to Thunderdome: Pentagon awards zero trust architecture prototype

    DISA awarded a nearly $7 million contract to Booz Allen Hamilton to develop a prototype for its Thunderdome zero trust architecture.

  • DoD researchers literally reinvented the wheel with shape-shifting tracks

    July 30, 2018 | International, Land

    DoD researchers literally reinvented the wheel with shape-shifting tracks

    By: Kyle Rempfer Wheels are faster on hard surfaces, while a tracked design performs better on soft ground. Rather than pushing a ground combat vehicle through terrain it doesn't perform well on, why not just slap on some shape-shifting wheels? A team from Carnegie Mellon University's National Robotics Engineering Center demonstrated the feasibility of such shape-shifting wheel-track mechanisms for the Defense Department recently. The new technology, dubbed a “reconfigurable wheel-track,” can transition from a round wheel to a triangular track and back again while the vehicle is in motion — allowing for an instant improvement in tactical mobility on shifting terrain. The wheel-track is part of the Defense Advanced Research Projects Agency's Ground X-Vehicle Technologies, or GXV-T, program, which aims to improve mobility, survivability, safety, and effectiveness of future combat vehicles without piling on more armor, according to a June 22 press release. “We're looking at how to enhance survivability by buttoning up the cockpit and augmenting the crew through driver-assistance aids,” said Maj. Amber Walker, the program manager for GXV-T in DARPA's Tactical Technology Office. “For mobility, we've taken a radically different approach by avoiding armor and developing options to move quickly and be agile over all terrain.” The DARPA initiative is looking to build a future in which combat vehicles can traverse up to 95 percent of off-road terrain, including slopes and various elevations. The new wheel-track design is just one of the contract awardees that recently demonstrated advances on a variety of potentially groundbreaking technologies that meet the program's goals. DARPA also showcased a new “multi-mode extreme travel suspension” system that allows for "high-speed travel over rough terrain, while keeping the vehicle upright and minimizing occupant discomfort,” the agency said in its statement. The suspension can move 42 inches upward and 30 inches downward, and keeps itself level on steep grades by adjusting each wheel. Other enhanced mobility designs include an electric in-hub motor built by QinetiQ, which puts motors directly inside the wheels, offering heightened acceleration and maneuverability with optimal torque, traction, power, and speed over rough or smooth terrain. “QinetiQ demonstrated a unique approach, incorporating three gear stages and a complex thermal management design into a system small enough to fit a standard military 20-inch rim,” according to the release. Another new development could impact a vehicle crew's awareness. Most combat vehicles have small windows. This improves the protection offered to troops, but limits their visibility to spot threats and targets. The GXV-T program is looking at sensor technologies to give mechanized troops their eyes back. One design by Honeywell International boasts an enhanced 360-degree awareness suite through virtual windows. The company showed that capability off in a windowless cockpit of an all-terrain vehicle with an opaque canopy, according to the DARPA release. “The 3D near-to-eye goggles, optical head-tracker and wrap-around Active Window Display screens provide real-time, high-resolution views outside the vehicle,” the release reads. “In off-road courses, drivers have completed numerous tests using the system in roughly the same time as drivers in [ATVs] with full visibility.” No fielding date has been announced by DARPA's offices for the new mobility technologies, but the program could help solve many of the ongoing mobility issues troops have experienced in recent conflicts. For a full breakdown of the technologies being vetted through DARPA's GXV-T program, check out this YouTube video by the agency. https://www.militarytimes.com/news/your-air-force/2018/07/27/dod-researchers-literally-reinvented-the-wheel-with-shape-shifting-tracks/

  • Lockheed Aims For Laser On Fighter By 2025

    September 18, 2020 | International, Aerospace, Land

    Lockheed Aims For Laser On Fighter By 2025

    SYDNEY J. FREEDBERG JR. How do you keep a laser focused on a target moving at hundreds of miles per hour? The answer is crucial to Lockheed lasers being fitted on Army trucks and Air Force fighters over the next few years. WASHINGTON: “Lockheed Martin is working to fly a laser on tactical fighters within the next five years,” Lockheed laser expert Mark Stephen told reporters yesterday afternoon. “We're spending a lot of time to get the beam director right.” That beam director, which keeps the laser beam on target, is a crucial but easily overlooked component of future laser weapons. The Air Force Research Lab's SHiELD program aims to put defensive laser pod on fighters to defend them against incoming anti-aircraft missiles. An offensive laser to shoot down enemy aircraft would have to hit harder and at longer distances, so it's a more distant goal: Such weapons are envisioned for a future “sixth generation” fighter — like the NGAD prototype now in flight test — to follow the 5th-gen F-35, while the SHiELD pod will go on non-stealthy 4th gen aircraft like the F-16, as in this Lockheed video. But the company's new beam-director design is actually getting its first workout on an Army system, the truck-mounted IFPC Energy Laser, which will defend against artillery rockets, drones, and, potentially, subsonic cruise missiles. https://breakingdefense.com/2020/09/lockheed-aims-for-laser-on-fighter-by-2025/

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