“Airman First Class”是美军军衔，相当于海军的中士（Staff Sergeant），陆军的上士（First Sergeant），空军的上士（Chief Master Sergeant）。
以下是一篇英文范文，供您参考：
Airman First Class, I am writing to you today with a heart full of gratitude for everything you have done for me. You have been a mentor, a friend, and a role model throughout my journey in the military.
You have taught me the importance of discipline, teamwork, and leadership. You have shown me how to overcome challenges and adversity, and you have empowered me to be the best version of myself.
Throughout my time in the military, I have learned so much from you. You have taught me how to be resilient in the face of adversity, how to maintain a positive attitude in the face of challenges, and how to maintain focus and discipline in the face of temptations.
I am grateful for everything you have taught me and for everything you have done for me. I am proud to call you my friend and mentor, and I am confident that I will continue to learn from you as I move forward in my military career.
Thank you for being an inspiration and role model for me. I am forever grateful for everything you have done for me.
“Airman First Class”是美国空军军士长的意思^[1][2]^。
美国空军军衔从高到低依次为：空军特级上将、空军上将、空军中将、空军少将、空军中校、空军少校、空军飞行员，还有军士长Airman
First Class。Airman First Class是空军士官长，相当于海军部队里的海员^[2]^。
使用Airman First Class作为范文的相关英文文章有：
致Airman First Class：保持坚韧不拔的精神
献给军校新生：从Airman First Class到将军
Airman First Class的职责与任务
Airman First Class想要晋升需要做什么？
“Airman First Class”是美国空军士官长的意思。
在最新的英文范文里，关于“Airman First Class”的表述可能会有所变化，比如可能会写作“Air Force Sergeant”。