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127,867 result(s) for "Military supplies"
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Towards pre-emptive resilience in military supply chains: A compromise decision support model-based approach
The complex and dynamic nature of military supply chains (MSC) requires constant vigilance to sense potential vulnerabilities. Several studies have employed decision support models for the optimization of their operations. These models are often limited to a best single-point solution unsuitable for complex MSC constellations. In this article, the authors present a novel approach based on decision support models to explore a range of satisficing solutions against disruptions in MSCs using a compromise Decision Support Problem (cDSP) construct and Decision Support in the Design of Engineered Systems (DSIDES). Two cases were evaluated: (1) a baseline scenario with no disruption and (2) with disruption to achieve target values of three goals: (1) minimizing lead time, (2) maximizing demand fulfilment and (3) maximizing vehicle utilization. The results obtained in Case 1 identified a more stable solution space with minimal deviations from the target value, while in Case 2 the solution space was unstable with deviations from the target values
Blinken pushes last-minute support to Ukraine before Trump
Secretary of State Antony Blinken, meeting with NATO security officials in Brussels on Nov. 13, said the Biden administration would rush as much military assistance as possible to Ukraine while Biden remains in office.
The Growing Threat to Air Force Mission-Critical Electronics
High-performance electronics are key to the U.S. Air Force's (USAF's) ability to deliver lethal effects at the time and location of their choosing. Additionally, these electronic systems must be able to withstand not only the rigors of the battlefield but be able to perform the needed mission while under cyber and electronic warfare (EW) attack. This requires a high degree of assurance that they are both physically reliable and resistant to adversary actions throughout their life cycle from design to sustainment. In 2016, the National Academies of Sciences, Engineering, and Medicine convened a workshop titled Optimizing the Air Force Acquisition Strategy of Secure and Reliable Electronic Components, and released a summary of the workshop. This publication serves as a follow-on to provide recommendations to the USAF acquisition community.
Why China Has Not Caught Up Yet
Can countries easily imitate the United States’ advanced weapon systems and thus erode its military-technological superiority? Scholarship in international relations theory generally assumes that rising states benefit from the “advantage of backwardness.” That is, by free riding on the research and technology of the most advanced countries, less developed states can allegedly close the military-technological gap with their rivals relatively easily and quickly. More recent works maintain that globalization, the emergence of dual-use components, and advances in communications have facilitated this process. This literature is built on shaky theoretical foundations, however, and its claims lack empirical support. In particular, it largely ignores one of the most important changes to have occurred in the realm of weapons development since the second industrial revolution: the exponential increase in the complexity of military technology. This increase in complexity has promoted a change in the system of production that has made the imitation and replication of the performance of state-of-the-art weapon systems harder—so much so as to offset the diffusing effects of globalization and advances in communications. An examination of the British-German naval rivalry (1890–1915) and China’s efforts to imitate U.S. stealth fighters supports these findings.
Why the U.S. sending cluster weapons to Ukraine is divisive
Fifty years after the last bombs were dropped on Laos, unexploded cluster munitions continue to be dangerous making the U.S. decision to send cluster weapons to Ukraine controversial.
Field trial demonstrating phytoremediation of the military explosive RDX by XplA/XplB-expressing switchgrass
The explosive hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX), a major component of munitions, is used extensively on military training ranges. As a result, widespread RDX pollution in groundwater and aquifers in the United States is now well documented. RDX is toxic, but its removal from training ranges is logistically challenging, lacking cost-effective and sustainable solutions. Previously, we have shown that thale cress ( Arabidopsis thaliana ) engineered to express two genes, xplA and xplB , encoding RDX-degrading enzymes from the soil bacterium Rhodococcus rhodochrous 11Y can break down this xenobiotic in laboratory studies. Here, we report the results of a 3-year field trial of XplA/XplB-expressing switchgrass ( Panicum virgatum ) conducted on three locations in a military site. Our data suggest that XplA/XplB switchgrass has in situ efficacy, with potential utility for detoxifying RDX on live-fire training ranges, munitions dumps and minefields. Switchgrass engineered to express two enzymes that degrade the explosive hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) detoxifies military sites contaminated with the munition when grown on these plots in a 3-year field trial.
Meeting the Energy Needs of Future Warriors
The central characteristic of the evolution of the combat soldier in recent years is an increasingly sophisticated array of sensing, communications, and related electronics for use in battlefield situations. The most critical factor for maintaining this evolution will be the development of power supply systems capable of operating those electronics effectively for missions up to 72 hours long. To address the challenge, it is important that new approaches be sought on how to integrate and power these electronics. To assist in addressing this problem, the Army requested the National Research Council to review the state of the art and to recommend technologies that will support the rapid development of effective power systems for the future warrior. This report presents the results of that review. It provides an assessment of various technology options for different power level requirements, power system design, and soldier energy sinks. The report also describes future design concepts, focusing on low-power systems. Recommendations for technology development and system design are presented.