3 ▁mm ) ▁tor ped o ▁tub es ▁in ▁four ▁triple ▁mount s . ▁In ▁many ▁ships ▁a ▁short age ▁of ▁ 1 - p ound ers ▁caused ▁them ▁to ▁be ▁replaced ▁by ▁ 3 - inch ▁( 7 6   mm ) ▁anti - air craft ▁( AA ) ▁guns . ▁ ▁They ▁also ▁carried ▁a ▁pair ▁of ▁depth ▁charge ▁rails . ▁A ▁" Y - gun " ▁depth ▁charge ▁thro wer ▁was ▁added ▁to ▁many ▁ships . ▁ ▁Const ruction ▁and ▁career ▁McK ee , ▁the ▁second ▁ship ▁named ▁for ▁Hugh ▁W . ▁McK ee , ▁was ▁laid ▁down ▁ 2 9 ▁October ▁ 1 9 1 7 ▁by ▁Union ▁Iron ▁Works , ▁San ▁Francisco , ▁California , ▁launched ▁ 2 3 ▁March ▁ 1 9 1 8 , ▁spons ored ▁by ▁Mrs . ▁J . ▁T yn an , ▁and ▁commission ed ▁ 7 ▁September ▁ 1 9 1 8 , ▁Lieutenant ▁Commander ▁W . ▁H . ▁Lee ▁in ▁command . ▁Following ▁a ▁west ▁coast ▁sh aked own , ▁McK ee ▁sa iled ▁from ▁Mare ▁Island ▁ 1 3 ▁September ▁ 1 9 1 8 , ▁trans ited ▁the ▁Pan ama ▁Canal ▁the ▁ 2 7 th , ▁and ▁reported ▁for ▁duty ▁with ▁Dest roy er ▁Fl ot illa ▁ 5 ▁at ▁New ▁York ▁ 2 ▁October . ▁In ▁this ▁late ▁phase ▁of ▁World ▁War ▁I , ▁short ▁coast al ▁sail ings ▁preced ed ▁her ▁departure ▁from ▁Ham pton ▁Ro ads ▁ 2 8 ▁October ▁as ▁a ▁con voy ▁esc