What do you think about this decision from an ethical perspective? World versus Christian? Are individual ethics the same as the ethics of governments?

You may recall that in April 2017 the US, under orders from President Trump, carried out a missile strike against Syria in retaliation for use of chemical weapons. The Tomahawk cruise missiles targeted a Syrian government airbase, where the chemical attacks were said to have been launched. Here is one source:

http://abcnews.go.com/US/russia-decries-clear-act-aggression-us-strike-syria/story?id=46643903

What do you think about this decision from an ethical perspective? World versus Christian? Are individual ethics the same as the ethics of governments? Do you think the Founding Fathers intended them to be the same? The cost of each of the 47-59 (reported number varies) Tomahawk cruise missiles used was approximately $832,000 – does that influence your thoughts?