Final answer:
Aircrew members achieve RL 1 status by demonstrating proficiency in their assigned duties, reflecting military values of teamwork, discipline, and continuous skill improvement.
Step-by-step explanation:
These aircrew members progress from a readiness level (RL) based on a commander's evaluation to RL 1 by demonstrating proficiency in assigned duties. The progression typically involves mastering various skill sets, embodying teamwork and discipline, and adhering to the standards set by the commanding officers. As described in historical references, pilots who became known as "aces" in combat situations did so by showcasing superior skills in the air. Similarly, the Air Force emphasizes uniformity in basic training to establish a cohesive unit, which also speaks to the importance of discipline and proficiency. Such progression in readiness levels aligns with military values, which encourage continuous improvement and exemplary performance in one's duties.