Home1998 Treaties and Agreements ...Ghana (98-108) – Defense Cooperation Agreement hide Ghana (98-108) – Defense Cooperation Agreement TIAS Office of Treaty Affairs January 8, 1998 Defense: Cooperation Agreement effected by exchange of notes at Accra November 24, 1997 and January 8, 1998; entered into force January 8, 1998. Download Agreements [711 KB] Tags Ghana Treaties