All they had to do to avoid this situation is ask the individual what she wanted to do. The FCO have female staff in the FI, they get asked if they want to stay in the FI, or return to the UK, it works for them.
Falklands operational det my arse, you've more chance of being killed by some jihadist or the Real IRA in the UK. Drinking det is a more apt description.
These types of cases will continue to arise until the RAF finally addresses the sexist views of a high proportion of its staff. You only need to read some of the sexist drivel on this thread to see that.
Finally how many of the 130 air officers are female? 2-3... At £16K they got away lightly.