Home1998 Treaties and Agreements ...Multilateral (12991) – Memorandum of Understanding Concerning Trilateral Technology Research and Development Projects hide Multilateral (12991) – Memorandum of Understanding Concerning Trilateral Technology Research and Development Projects TIAS Office of Treaty Affairs November 3, 1998 Defense: Research and Development Memorandum of understanding signed November 3, 1998; Entered into force November 3, 1998. With annex. Download attachment [2 MB] Tags International Law, Treaties, and Agreements Multilateral Relations and Cooperation Security and Defense