"We proposed a program of measures to be implemented and we will report on that to the presidents every six months," said Alexander Rumyantsev, the head of Russia's Federal Agency for Nuclear Power (Rosatom). "We will account for the implementation of measures that we proposed in this report [the first report published in early July] by December 31."
He said a vast volume of work had been carried out "within the trilateral framework of cooperation between the International Atomic Energy Agency, Russia and the U.S.".
Rumyantsev said the three parties had not only developed a meticulous approach to the security of fissile materials, but also had conducted considerable scientific research and made equipment to detect and spot fissile materials without discovering their specific properties.
The Agency head said: "Russia and the U.S. learnt to exchange information without infringing on national sovereignty in terms of confidential information."
The high-level group's first report focused on implementing the goals of a control list in the nuclear security sector.
"The bilateral interdepartmental high-level working group set out specific measures in all basic sectors, which were determined by the Russian and U.S. presidents at the Russian-U.S. summit in Bratislava," the official said.
"The group defined priorities for returning fresh and spent highly-enriched uranium fuel, which had been provided for American and Russian-made reactors in third countries, re-equipping such reactors for the use of low enriched uranium and developing alternative kinds of fuel," the Russian Foreign Ministry said.