One of the oxygen tanks failed to empty normally during the ground test.

VOA: special.2009.07.22

That confidence will likely be put to the test as the administration's review of its handling of the failed bombing attack unfolds in the weeks ahead.

VOA: standard.2010.01.06

The failed terror bomb plot constitutes Mr.Obama's most serious national security test to date, and the president has been quick to acknowledge that there is plenty of room for improvement.

VOA: standard.2010.01.06