South Korea on Sunday signed a preliminary deal with the United Arab Emirates (UAE) to sell Seoul’s mid-range surface-to-air missiles worth 4 trillion won ($3.36 billion), as both countries seek to strengthen cooperation, according to local media. Seoul is set to export its Cheongung II missile system to the UAE in what is believed to be its largest export deal, which was signed after President Moon Jae-in met with Emirati Prime Minister Sheikh Mohammed bin Rashid Al Maktoum in Dubai, Yonhap News Agency reported. This came two months after the Emirati Ministry of Defense said in a tweet that it planned to buy South Korea’s M-SAM, which is called the Cheongung II, saying that the missile system would “constitute a qualitative addition to the capabilities of the national air defense.” Sheikh Mohammed posted photos of the meeting on Twitter on Jan. 16 and said that his country seeks a “comprehensive …