USAHn.非共享子信道连接处理器USAabbr.(=United States of America)美国USAF Military Personnel Center美国空军人事中心USAF Judiciary Pacific Circuit美国空军太平洋司法巡游USAF Judiciary European Circuit美国空军欧洲司法巡游USAF Air Demonstration Squadron美国空军空中示范中队usability engineering lifecycle可用性工程生命周期USAF Chaplain Service Institute美国空军随军牧师服务学院USA South Asian security policy美国南亚安全政策USA Pulitzer News Cartoon Prize美国普利策新闻漫画奖usance payment letter of credit远期信用证USAFE Computer Systems Squadron驻欧美国空军计算机系统中队