“Saudi Arabia’s Al-Watan newspaper cited unidentified sources on 17 July as saying that Saudi special forces soldiers had arrived in Aden to guard officials from Yemen’s internationally recognised government who had arrived in the city after a series of victories by pro-government forces. It said the unit consisted of 50 men, including officers, and had accompanied Yemeni officials who returned to their country from exile in Riyadh.”
Source: Saudi, UAE forces deployed to Yemen – IHS Jane’s 360