Stockholm — More than 15 years ago, when the Nord Stream gas pipeline between Russia and Germany was little more than an idea, a Swedish government study warned of the risks inherent in running a critical piece of energy infrastructure along the Baltic Sea floor.
The pipeline would be vulnerable to even the most rudimentary form of sabotage, analysts wrote, and underwater surveillance would be nearly impossible. The 2007 study, written by the Swedish Defense Research Agency, even posited a scenario:
