U.S. spy satellites noticed that China had carried out a canister ejection test of a DF-41 ICBM from a rail car mobile launcher on Dec. 5.
By George Shuklin (Own work) [CC BY-SA 2.5], via Wikimedia Commons
Washington Free Beacon reported that the test was carried out one day after a DF-41 was test flown with two multiple-independently targetable reentry vehicles (MIRVs).
[thumb]http://freebeacon.com/national-security/china-tests-new-icbm-from-railroad-car/[/thumb]