President Vladimir Putin on Thursday signed an order allowing Russia's Defense Ministry to enlist 147,000 men for their compulsory military service in the upcoming spring call-up. The experts also said that the pool of potential conscripts born between 1995 and 2005 has grown insufficiently to meet the military’s increasing demand for fresh troops, despite a steady rise in birthrates since 2000.  Putin increased the spring call-up figures after greenlighting Defense Minister Sergei Shoigu’s December proposal to boost Russia’s combat personnel from 1