Yemeni President Ali Abdullah Saleh went to Moscow and signed a major arms deal including naval patrol vessels, training of Yemeni military personnel and a purchase of up to 44 upgraded MiG-29s. The deal successfully went ahead and Yemen also received two additional jets from Kazakhstan. Russia trained 15 pilots on MiG-29s. Equipped with N019MP radar and an advanced fire control system they became the most advanced combat aircraft the Yemeni Air force has had. They are compatible with Kh-31 and Kh-29 guided air to ground missiles and R-77 guided air to air missiles.