The story line for Kensi being in Afghanistan was created as a way to disguise Daniela Ruah's real life pregnancy.
The indoor set that is used in Afghanistan was likely same set that was built for the NCIS: Red backdoor pilot that was no longer needed when Red wasn't picked up for a series.
Nicolae and Elena Ceausescu's execution after a 55 minute court martial, in a kangaroo court; where even the defence solicitor argued for the prosecution, was an extra judicial execution, therefore a Crime Against Humanity. So while the Ceausescus and their government were accused of terrible crimes, the only people who could be tried by the Hague are those who gave the order to murder the couple.
(However, there is no-one willing to bring those charges against people fighting a regime that brought such pain and desperation to it's people.)