They wanted to test the landing module near the moon.

VOA: special.2009.07.08

The next step was to test the lunar landing craft.

VOA: special.2009.07.08

Indeed, the current prototype, which was unveiled earlier this month and is due to take off in April, will test only the landing system.

ECONOMIST: On a rotor-blade and a prayer | The

Similarly, the origins of the microwave oven (an offshoot of radar), the folding baby buggy (the brainchild of a test-pilot inspired by aircraft landing gear) and traffic lights (one of the first of which exploded outside the Houses of Parliament) are not widely known.

ECONOMIST: Encapsulating a century in gadgets

In previous incidents, one of the 787 test flight aircraft lost primary electrical power in 2010 and was forced to make an emergency landing in Texas.

CNN: Airline: Dreamliner fuel leak due to an open valve