Reserve Officer Association美国〉预备役军官协会

Reserve Officer Training Corps储备军官训练团;后备军官训练团;备军官训练团

air reserve officer空军后备军官

Reserve Officer Training Corp预备军官训练团计划;参加了后备军官训练团

a reserve officer预备军官

reserve operational communication officer预备通信报务员

Reserve Officer Selection and Training后备军官选拔培训工作

RORA Reserve Officer Recording Activity预备军官登记行动

reserve non-commissioned officer预备士官