Answer:
Answer is O C. Simile
Explanation: obviously a simile is a comparison between two different thing using the word 'like.' The Air Force is being compared to the eagles which is using the word "like". A Rhetoric is like a persuasive way of talking and a hyperbole is an over exaggeration if you know what I mean. And an understatement is like know about let me put it this way it's a statement that is like a quality or like a condition of something than actually is. Hopefully this could help you a bit>