Who can tell me the difference between a petty officer and an officer? I want to be a soldier in the future and enter the military school through the college entrance examination, but this means Alexa

Who can tell me the difference between a petty officer and an officer? I want to be a soldier in the future and enter the military school through the college entrance examination, but this means Alexander. I am a soldier, and I understand how you feel. I suddenly felt that I saw my original self. You need to believe in yourself and work hard to achieve your goal. But don't worry, as long as you reach the standard and pass the physical examination, you will be admitted to the ideal military school.

For non-commissioned officers, a * * * level 6, you are a private at first, and you are a private two years later. The next one is the petty officer. As for how high you can rise, it depends on your efforts! Come on, officers and noncommissioned officers believe you can do your best! ! !