1. Nor were the pilots notified of the Blackhawks'mission in their pre-flight briefing . 2. Background information on various aspects of flight and extensive pre-flight briefings are on board. 3. Muri's unit received no specific training nor any pre-flight briefing . 4. Radio can take flight plans and give pre-flight briefings over the radio in extenuating circumstances. 5. Their eight-hour days begin with a student and instructor pre-flight briefing , followed by a flight mission. 6. In any case, McGinnis doubts defensive planning will ever become part of the standard pre-flight briefing . 7. A computer hardware problem in the company's system that provides flight briefing information caused the canceled flights. 8. The inflight supervisor conducts a pre-flight briefing where each crew knows his position and what is expected of him. 9. There is also a daily flight briefing by the air operations centre which provides clear details of the display sequence and rules. 10. Our mission, explained in detail during a pre-flight briefing , was to protect a downed friendly " blue " from attacking " reds ."