http://www.reuters.com/article/2015/03/16/us-russia-military-exercises-idUSKBN0MC0JO20150316
This is so far only in the Russian text: The duration is March 16 - 21 and the central command will have exercises starting Mar 17:
http://ria.ru/defense_safety/20150316/1052732262.html
Perhaps there is another explanation: Shoigu needs this to take control over Russia, and was it really P that gave the order?