Landing at Aden International Airport on a trip in late 2017, the plane had two flags visible as it moved along the tarmac. One was the flag of the former South Yemen, resurrected as a symbol of Yemen’s secessionist southern movement. The other was of the United Arab Emirates (UAE), the movement’s primary backer.Passing one checkpoint after another on the road out of Aden, the flag of the actual Republic of Yemen wasn’t visible, and only made an appearance towards the city of Taiz, to the north.Recommended Stories list of 3 itemsend of listThe UAE-backed secessionist Southern Transitional Council (STC) had been formed a few months earlier, in May 2017. Headed by Aidarous al-Zubaidi, it made clear that its ultimate goal was separation from the rest of Yemen, even if it found itself on the same side as the Yemeni government in the fight against the Houthi rebels occupying the Yemeni capital Sanaa.By 2019, the STC and the Yemeni government fought in Aden and other areas of the south. The STC emerged on top, forcing the government out of Aden – the former capital of South Yemen and the city the government had designated as a temporary capital during the conflict against the Houthis.Momentum continued to be on the STC’s side for the next few years, as it seized more territory. Even after al-Zubaidi joined the Saudi-backed Presidential Leadership Council (PLC) as a vice-president, officially making him a member of the Yemeni government, it was clear that on the grou …