The static test lasting just over two minutes took place at manufacturer ATK's Utah facility.

BBC: Test ignition for 'Moon rocket'

Thailand's scores on the respected international PISA test have remained almost static since 2003 whereas Indonesia, for instance, has been moving up from a lower base.

ECONOMIST: Education in Thailand

In reading, the most recent test results for 17 year olds have remained static since 1994 and are slightly lower than the years between 1988 and 1992.

BBC: Handwriting