▁loaded ▁the ▁round ▁and ▁charge ▁into ▁the ▁gun ▁b ree ch ▁with ▁the ▁order ▁ 2 - 6 ▁Load !. ▁▁ ▁U ▁U AV S ▁( ab bre viation ) ▁- ▁Un mann ed ▁A rial ▁Ve h icle ▁Systems ▁- ▁Both ▁the ▁dr one ▁and ▁the ▁remote ▁operator . U / S ▁( ab bre viation ) ▁- ▁Un - service able , ▁not ▁working ▁or ▁need ing ▁maintenance . U / T ▁( ab bre viation ) ▁- ▁Under ▁Training . U ck ers ▁- ▁U ck ers ▁bo ards ▁can ▁also ▁be ▁found ▁in ▁every ▁R AF ▁Section ▁crew room , ▁where ▁the ▁game ▁is ▁an ▁integral ▁part ▁of ▁crew room ▁life . U m bre lla ▁- ▁Par ach ute . Under cart ▁- ▁Under car riage . Up st airs ▁- ▁In ▁the ▁air . Up ▁top ▁- ▁F lying ▁high . ▁▁ ▁V ▁Valley ▁command os ▁- ▁A ▁particularly ▁sc ary ▁group ▁of ▁women ▁from ▁the ▁valle ys ▁in ▁South ▁Wales ▁ ▁who ▁would ▁descend ▁upon ▁R AF ▁St . ▁Ath an ▁on ▁N AA FI ▁B op ▁night . ▁They ▁would ▁ab duct ▁any ▁young ▁air man ▁they ▁chose ▁for ▁use ▁in ▁dign ity - ro bb ing ▁acts . V eg et ables ▁- ▁Ac oust ic ▁or ▁magnetic ▁mines . V ic ▁- ▁V ▁sh aped ▁flight ▁formation . ▁▁ ▁W ▁W aff ling ▁- ▁Out ▁of ▁control . W agon ▁- ▁Mechan ical ▁Transport . ▁Green ▁vehicle , ▁usually ▁a ▁Land ▁R over