 <unk> by the French , Rhodesian and South African governments and with Rhodesian logistical assistance , forces led by Denard took part in a coup d 'état in the Comoros later in May , toppling Ali <unk> ( who Denard had himself put into power three years earlier ) . The Comoros subsequently became a key location for Rhodesian " <unk> @-@ <unk> " operations , providing a convenient end @-@ user certificate for clandestine shipments of weapons and equipment bound for Rhodesia in spite of the UN embargo . South Africa , also under a UN arms boycott because of apartheid , received war materiel through the Comoros in a similar fashion . 
