In September, Russia will conduct its Zapad 2017 military exercise, the largest since the end of the Cold War, and one which is already sending shivers down the spine of NATO, which not only has "serious doubts Moscow is revealing the true extent of its military exercises", but because the last time such a major training exercise took place was just before the Crimea "annexation." One country, however, isn't taking chances: Russia's northern neighbor Finland, which as the WSJ reports, is "going underground."