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Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1] – defined as "A transmitter-receiver associated with a fixed navigational mark which, when triggered by a radar, automatically returns a distinctive signal which can appear on the display of the ...
Identification, friend or foe ( IFF) is a combat identification system designed for command and control. It uses a transponder that listens for an interrogation signal and then sends a response that identifies the broadcaster. IFF systems usually use radar frequencies, but other electromagnetic frequencies, radio or infrared, may be used. [1]
Bluetooth HID is a lightweight wrapper of the human interface device protocol defined for USB. The use of the HID protocol simplifies host implementation (when supported by host operating systems) by re-use of some of the existing support for USB HID in order to support also Bluetooth HID. Keyboard and keypads must be secure.
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1999: The US Naval Research Laboratory engages on a decade-long research program called the Battlefield Augmented Reality System (BARS) to prototype some of the early wearable systems for dismounted soldier operating in urban environment for situation awareness and training. [46] 1999: NASA X-38 flown using LandForm software video map overlays ...
ArcView GIS was a geographic information system software product produced by ESRI.It was replaced by new product line, ArcGIS, in 2000.Regardless of it being discontinued and replaced, some users still find the software useful and hold the opinion it is a superior product for some tasks.
DEFCON. The defense readiness condition ( DEFCON) is an alert state used by the United States Armed Forces. [ 1][ 2] For security reasons, the US military does not announce a DEFCON level to the public. [ 1] The DEFCON system was developed by the Joint Chiefs of Staff (JCS) and unified and specified combatant commands. [ 3]
The Lockheed Martin X-59 Quesst ("Quiet SuperSonic Technology"), sometimes styled QueSST, is an American experimental supersonic aircraft under development by Skunk Works for NASA 's Low- Boom Flight Demonstrator project. [ 1] Preliminary design started in February 2016, with the X-59 planned to begin flight testing in 2021.