Final answer:
During war, skilled pilots who were able to shoot down enemy planes were known as 'aces' and were highly respected for their bravery. However, the specific term or system ACES is not widely recognized or used in a national context.
Step-by-step explanation:
The question is about why ACES (Aerial Combat Enemy System) hasn't been taken seriously as a nation.
During times of war, aircraft played a crucial role in reconnaissance and combat. Skilled pilots who shot down enemy planes were known as 'aces' and were highly respected for their bravery. However, the concept of ACES as a specific term or system is not widely recognized or used in a national context. Instead, the focus is on the strategic and tactical use of aircraft in warfare.