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FireFly Acoustic Threat Detection System
The FireFly Acoustic Threat Detection System is a system for detecting hostile fire. It has been developed jointly by the US Army Aviation and Missile Research Development and Engineering Command (AMRDEC), the U.S. Army Research Laboratory The U.S. Army Combat Capabilities Development Command Army Research Laboratory (DEVCOM ARL) is the U.S. Army's foundational research laboratory. ARL is headquartered at the Adelphi Laboratory Center (ALC) in Adelphi, Maryland. Its largest singl ... (ARL) and industry partners. The FireFly acoustic and electro-optical (EO) sensor can operate with Serenity Payload or be deployed as a stand-alone unit. FireFly was designed for support of small installations, independent of installation power. The $45,000 cost of the FireFly sensor is small enough that systems are considered disposable if a failure occurs, yet its algorithms are capable of grouping threats into classifications of small arms fire, heavy machine gun, rockets artillery and mortar, g ...
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American Recovery And Reinvestment Act Of 2009
The American Recovery and Reinvestment Act of 2009 (ARRA) (), nicknamed the Recovery Act, was a stimulus package enacted by the 111th U.S. Congress and signed into law by President Barack Obama in February 2009. Developed in response to the Great Recession, the primary objective of this federal statute was to save existing jobs and create new ones as soon as possible. Other objectives were to provide temporary relief programs for those most affected by the recession and invest in infrastructure, education, health, and renewable energy. The approximate cost of the economic stimulus package was estimated to be $787 billion at the time of passage, later revised to $831 billion between 2009 and 2019. The ARRA's rationale was based on the Keynesian economic theory that, during recessions, the government should offset the decrease in private spending with an increase in public spending in order to save jobs and stop further economic deterioration. The politics around the stimulus w ...
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