President Bush and President Vladimir V. Putin of Russia announced a new global program to track potential nuclear terrorists, detect and lock up bomb-making materials and coordinate their responses if terrorists obtain a weapon, according to administration officials who have negotiated the deal.
Russia is facing criticism after secretly offering to sell North Korea technology that could help the rogue state to protect its nuclear stockpiles and safeguard weapons secrets from international scrutiny.
A panel of experts has urged Russia and the United States to expand their cooperation on biological security issues.
The RF Defense Ministry has been left with no spy satellite in orbit. The last anchor of Russia's surveillance, US-PU satellite of electronic intelligence, moved down from the orbit at night from Friday to Saturday, as the service life of that satellite, which took off from Baikonur May 2004, came to a natural end.
The United States has promised to make public in the next few months its new space doctrine, which allows for the deployment of weapons in outer space.
Nearly six years after the U.S. and Russia agreed to build a joint military center in Moscow to reduce the risk of accidental nuclear war, work on the project has stalled because the two nations can't agree about taxes and legal liability.
A Russian telecommunications satellite in geostationary orbit failed March 29 following what its builder says was a "sudden external impact" of undetermined origin. The satellite, Express-AM11, is being moved into a graveyard orbit before on-board temperatures render it uncontrollable.
A U.S. program to secure and catalog biological agents at former Soviet laboratories has moved forward quickly in recent years, with increased cooperation from five former Soviet republics speeding progress.
The European Union and Russia signed an agreement to improve cooperation on space activities like satellite communications, future transport systems and developing new technology.
A Russian company is using anti-satellite weapons technology developed by the Soviet Union to launch microsatellites using a MiG 31. The Soviet Union developed the ability to launch an anti-satellite missile from a fighter jet in response to U.S. tests with an F-15 in 1985.