gotland is no longer immune from danger. (gunfire) a 300 strong battle group, including a part time tank company will be in place by july. until then, the island has become a stage for war games sending a deterrent message to the kremlin. sergeant major henrik wulff. >> this is part of their basic military training as squads and platoons. but of course gotland is swedish and we will protect it to any means necessary. >> reporter: the recruits are learning to protect themselves from a surprise attack. for a country that epitomizes peace, that's a difficult scenario to grasp. sweden has not fought a war since 1814, it has nurtured its neutrality for over 200 years. during the cold war it was neutral because it was suspicious of both the super powers. but now russian muscle flexing is jangling swedish nerves. the government is promising to increase defense spending by 11% over the next five years and it is to reintroduce conscription. gotland is a popular nordic tourist destination. it's main town visby, the best- preserved for