Looking for a story

Hi
Looking for a story hope you can help.
Story sypnosis
Young Trans doctor working somewhere in the far east at a womens clinic meets and falls in love and marries a high ranking officer from an american base.
They have 4 children by 2 different surrogates, children are brought up as girls and tought martial arts by their kindly next door neighbour.
They eventually go back to the U.S.A. one of the girls is a brilliant mechanic and car builder and one seems to be some type of crime fighter thats all that I can remberer.
I do hope you can help me find this story again thank you.

Big hugs xxx