MELBOURNE, Australia — South Korea and the United Arab Emirates have signed two memorandums of understanding to improve bilateral defense ties, during a visit by the South Korean president to the Gulf kingdom. South Korea’s Defense Acquisition Program Administration and the UAE’s Tawazun Council inked the agreements Jan. 15 in the presence of President Yoon Suk Yeol and his Emirati counterpart Mohamed bin Zayed Al Nahyan. The Tawazun Council serves as the acquisition authority for the Emirati