N-PROPER 特种航空队，空军特种部队(英国一支经过高强度训练、执行秘密或艰巨军事行动的部队) The SAS is a group of highly trained British soldiers who work on secret or very difficult military operations. SAS is an abbreviation for 'Special Air Service'. 特种航空队，空军特种部队(英国一支经过高强度训练、执行秘密或艰巨军事行动的部队) [British]