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"We passed the following tests: Altitude (500.4), Humidity (507.4), Vibration (514.5), High Temperature (501.4), and Temperature Shock (503.4). We almost passed blowing sand and dust test (510.4), but there was an error message on boot. However, the system did boot normally after we bypassed the error message. I count that as a half victory — so a ThinkPad has successfully passed 5.5 MIL Spec tests."