Christopher Drew, U-2 Spy Plane Evades the Day of Retirement. New York Times
, Mar. 22, 2010.
http://www.nytimes.com/2010/03/22/business/22plane.html?scp=1&sq=u-2&st=cse
Note:
(a) Lockheed U-2
http://en.wikipedia.org/wiki/Lockheed_U-2
("It was renamed the U-2, with the "U" referring to the deliberately vague
designation 'utility.'")
(b) 1960 U-2 incident
http://en.wikipedia.org/wiki/1960_U-2_incident
(pilot Francis Gary Powers)
(c) Etch A Sketch
http://en.wikipedia.org/wiki/Etch_A_Sketch
(a registered trademark for a mechanical drawing toy)
(d) RQ-4 Global Hawk
http://en.wikipedia.org/wiki/RQ-4_Global_Hawk
(Northrop Grumman; an unmanned aerial vehicle (UAV); in role and design, the
Global Hawk is similar to the Lockheed U-2; "The 'R' is the Department of
Defense designation for reconnaissance; 'Q' means unmanned aircraft system.
The '4' refers to it being the fourth of a series of purpose-built unmanned
aircraft systems.")