We had a young lady First Officer on the Haj from Java to Jeddah . To avoid hassle from the Saudis on arrival, we gave her a set of six bar epaulettes and walked three paces behind her. Did the trick.
I did line training on a couple of captains converting to the A400M some years ago, one of whom happened to be female, She was PNF on the leg across Saudi back to LCRA, every call she made on the R/T to Jedda was met with stoney silence, but when the PF or myself stepped in the response was immediate..,