Yemeni Minister of Defense Brig. Gen. Mohammad Nasser Ahmad met here today Russian Ambassador to Yemen Sergei Kozlov. During the meeting, the Russian Ambassador received a letter from Yemeni President Ali Abdullah Saleh to Russian President Dmitry Medvedev on ways of enhancing cooperation between the two countries in the field of military. Ahmed and Kozlov discussed a number of issues relating to the development of cooperation between the two countries.