※ 引述《cbr6000810 (愛我就包養我＃)》之銘言：
: 乳提~
: 有這麼一說
: 軍隊的艦艇女人不能踏上否則此船必沉
: 那為什麼潛艦獵殺令上面會有女兵?
On 29 April 2010, the Department of the Navy announced authorization of a policy change allowing women to begin serving on board navy submarines. The new policy and plan was set to begin with the integration of female Officers.
c.f. https://en.wikipedia.org/wiki/Women_in_the_United_States_Navy
簡單講美國已允許女性在潛艇服役，且已有實際服役的例子了。
這電影大概是想搭上這潮流。