Russia appears to have suffered a “catastrophic failure” in a test of its Sarmat missile, a key weapon in the modernization of its nuclear arsenal, according to arms experts who have analyzed satellite images of the launch site. The images captured by Maxar on Sept. 21 show a crater about 60 metres (200 feet) wide at the launch silo at the Plesetsk Cosmodrome in northern Russia. They reveal extensive damage that was not visible in pictures taken earlier in the month. The RS-28 Sarmat intercontinental ballistic missile is designed to deliver nuclear warheads to strike targets thousands of miles away in the United States or Europe, but its development has been dogged by delays and testing setbacks. “By all indications, it was a failed test. It’s a big hole in the ground,” said Pavel Podvig, an analyst based in Geneva, who runs the Russian Nuclear Forces project. “There was a…
