The fact is if law and order breaks down in the country, or if Mugabe is utterly resistant to change and continues to oppress violently people's human rights, then I hope the African neighbours will do whatever it takes to secure his departure and a democratic government.
Combined with the 50 helicopters in Venezuela's last order from Russia they do have the hardware to oppress a resistance movement, arm revolutionary terrorists, and to become the dominant military power in the region.