Ukraine began transferring nuclear warheads on its territory to Russia in March 1994, with a shipment of 60 ICBM warheads. About 540 were shipped to Russia in 1994, and 720 in 1995. The last nuclear weapon was transferred to Russia in May 1996, rendering Ukraine a non-nuclear nation.his is the only nation known to have developed nuclear weapons, and then voluntarily relinquished that capability. On 24 March 1993 Pres. F. W. De Klerk announced that South Africa had produced nuclear weapons, but had destroyed their arsenal before 10 July 1991, when South Africa joined the NPT.
The cost to build a backyard pond can vary greatly. The size, style, materials and equipment you select will all impact the final price of your pond. You can expect to pay between $5,000 and $20,000 for a custom pond.
Enhancement and improvement costs. 1  The cost of adding a waterfall varies widely based on the size and structure, but the average cost is $1,200-$1,800. 2  A five-foot bridge for the pond averages $140-$200. Adding landscaping to the rest of the backyard also varies based on size and features, but average landscaping for a 1200 square foot yard costs $13,200. On average, adding outdoor lighting costs $3,800 for 20 fixtures of varying styles and powers around the yard.