1、中士
... LHD：两栖攻击舰 Petty Officer Second Class 中士 DIA 国防情报局,从属于国防部(DOD),处置外军情报活动. ...
2、下士
... Petty Officer First Class中士 Petty Officer Second Class下士 Leading Seaman一等兵 ...
3、海军下士
petty officer second class 海军下士; 中士seaman second class 二等兵 .
4、士官二等
...* 士官一流 petty officer first class* 士官二等 petty officer second class* 私人 private ...