美軍"准尉"階級的相關問題

先提供英文的資料
資料來源是 www.goarmy.com/about/ranks_insignia_warra nt_off.jsp

進入准尉候選學校(畢業後可擔任准尉)的條件

• Have a high school diploma.
  
• Be at least 18 years of age at the time of Regular Army enlistment and not have passed your 33rd birthday when the board convenes. High school seniors may also apply. If you are 33-34 years of age, you may request a waiver.
  
• Be a citizen of the United States.
  
• Score 90 or higher on the revised Flight Aptitude Selection Test (FAST). FAST test results are valid indefinitely as long as verifiable official records exist. No waivers are available for failure to meet the minimum FAST score.
  
• Earn a minimum of 110 General Technical (GT) score on the Armed Forces Vocational Aptitude Battery (ASVAB) (non-waivable as well). The GT score is one component of the ASVAB results.
  
• Meet the Active Duty Army's screening height and weight standards.
  
• Take a complete physical exam at a Military Entrance Processing Station (MEPS) and meet entry medical fitness standards as determined by military medical authorities no more than eighteen months prior to the date of application. Must also undergo a Class 1A Flight Physical Examination in addition to the one conducted at the MEPS and have results approved by Flight Surgeons at Fort Rucker, Alabama, prior to the selection board. The Flight Physical must also be less than 18 months old.
  

  1."准尉"官階的晉任資格，何種情況下可晉升准尉，學歷、經歷、階級(士兵、一般士官還是士官長)上有何限制。
  必須要進入各軍種的准尉候選學校
  結訓後就能擔任准尉
  2."准尉"能否選擇晉任少尉，循序向上發展。
  除非學歷為大學畢業
  經過考核級受訓才能轉任
  但因為准尉多為專業
  一般不會轉任軍官的
  3."准尉"階級在美國陸海空軍中大多擔任哪些職務，和士官長在任務上作何區別。
  只有陸軍海軍及海陸有准尉(空軍沒有准尉)
  准尉通常擔任飛行員或是其他專業技術人員
  原則上准尉管的是武器裝備為主
  而士官長則以管人為主
  

  
  
  
  
  
  

  補充
  1.只要符合進入准尉候選學校的資格就可以(不論民間或現役)
  2.如果是一般的民間學校是沒有限制.不過軍方的訓練就有限制.就像士官不能進戰院或指參學院是一樣的