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Lettris is a curious tetris-clone game where all the bricks have the same square shape but different content. Each square carries a letter. To make squares disappear and save space for other squares you have to assemble English words (left, right, up, down) from the falling squares.
Boggle gives you 3 minutes to find as many words (3 letters or more) as you can in a grid of 16 letters. You can also try the grid of 16 letters. Letters must be adjacent and longer words score better. See if you can get into the grid Hall of Fame !
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|Raytheon ADM-160C (MALD-J)|
The ADM-160 MALD (Miniature Air-Launched Decoy) is a decoy missile developed by the United States of America.
The Miniature Air-Launched Decoy (MALD) program was begun in 1995 by DARPA as an effort to develop a small, low cost decoy missile for use in the suppression of enemy defences. Teledyne Ryan (acquired by Northrop Grumman in 1999) was granted a development contract for the ADM-160A in 1996, and the first test flight took place in 1999. The evaluation program was finished by 2001.
The US Air Force planned to acquire several thousand of ADM-160A's, but in 2001 this was reduced to at most 150 for a System Development and Demonstration (SDD) program. In January 2002, the USAF cancelled the program because the drone didn't have enough range and endurance to meet the service's requirements or to perform other missions.
The ADM-160A carries a Signature Augmentation Subsystem (SAS) which is composed of various active radar enhancers which cover a range of frequencies. The SAS can therefore simulate any aircraft, from the B-52 Stratofortress to the F-117 Nighthawk.
The missile has folded wings to allow more compact carriage. On launch the wings unfold and a TJ-50 turbojet propels the missile on a pre-determined course which is composed of up to 100 different waypoints. An inertial navigation system with GPS support keeps the MALD on course. Although pre-programmed before the aircraft leaves the ground, the course can be modified by the pilot at any point up to launch.
In 2002, the USAF renewed its interest in an air launched decoy and started a new industry-wide competition for a variant with greater endurance. The contract for a new MALD was awarded to Raytheon in Spring 2003.
The Raytheon ADM-160B is similar in configuration to the ADM-160A, but has a trapezoidal fuselage cross section and is larger and heavier. It is powered by a Hamilton Sundstrand TJ-150, a more powerful variant of the TJ-50.
In 2008 a contract for a jamming variant MALD-J was awarded to Raytheon. It made its first freefall test in 2009, passed its critical design review in early 2010, and is expected to be delivered in 2012. 
Systems integration has been announced as of July 6, 2012, by the Raytheon Corp. for the U.S. Navy's F/A-18 E/F Super Hornet. The process will include a series of risk reduction activities and technology demonstrations.
This article contains material that originally came from the web article Unmanned Aerial Vehicles by Greg Goebel, which exists in the Public Domain.