RobertB-DC writes "The Phoenix mission to Mars' frigid polar regions was going to be tricky from the start, with only a few weeks to perform as much science as possible. Success depended on everything working right. But one of the mission's most frustrating glitches — the stuck doors on the TEGA ovens — could have been prevented with basic quality control on Earth. Nature is reporting that bad brackets were replaced by the manufacturer ... with identically bad brackets. The Planetary Society blog sums it up succinctly: 'Ouch. Ouch ouch ouch.'"