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The RQ-3 DarkStar (known as Tier III-or "Tier three minus" during development) is an unmanned aerial vehicle (UAV). Its first flight was on March 29, 1996. The Department of Defense terminated DarkStar in January 1999, after determining the UAV was not aerodynamically stable and was not meeting cost and performance objectives. [1]
Retrieved from "https://en.wikipedia.org/w/index.php?title=RQ-3_Darkstar&oldid=874041488"This page was last edited on 16 December 2018, at 19:38
Journalists have noted design similarities between the RQ-170 and previous stealth and UAV programs such as the Lockheed Martin RQ-3 DarkStar and Polecat. [3] [4] An Air Force official said, "It's the same concept as [the RQ-3] DarkStar, it's stealthy, and it uses the same apertures and data links, only it's bigger." [3] It is a tailless flying ...
From about 2004 to 2011, [4] [5] U.S. military planners used various "Tier systems" to designate the various elements in an overall plan for integrated operations. [6] The Tiers do not refer to specific models of aircraft, but rather roles the aircraft would fill.
In April 2023, a study investigated four extremely redshifted objects discovered by the James Webb Space Telescope. [5] Their study suggested that three of these four, namely JADES-GS-z13-0, JADES-GS-z12-0, and JADES-GS-z11-0, are consistent with being point sources, and further suggested that the only point sources which could exist in this time and be bright enough to be observed at these ...
The formation of draculin-factor Xa is a two-stage process. The first reversible stage is characterized by the following constants: k1 = 1.117*106 M-1*sec-1, k-1 = 15.388*10-1 sec-1. The second irreversible (concentration-independent) stage is characterized by the forward reaction rate constant k2 = 0.072 sec-1.
Darkstar (Marvel Comics), a Marvel Comics superhero; Darkstars, a DC Comics superhero team; Darkstar Comics, a fictional comic book company in the TV series Spaced; Dark Star, an issue of the comics series The Transformers
Lục bát (Vietnamese: [lʊwk͡p̚˧˨ʔ ʔɓaːt̚˧˦], chữ Hán: 六八) is a traditional Vietnamese verse form – historically first recorded in Chữ Nôm script. . "Lục bát" is Sino-Vietnamese for "six-eight", referring to the alternating lines of six and eight syll