rune andersen is head of the nation's navy. mission is to ensure there's no interference and the gas gets to where it's needed. >> norwegian navy chief rune andersen inspects a frigate docked on norway's western coast. ships like these monitor norway's territorial waters and, above all, what lies on their seabed. oil and gas pipelines needed to supply many european countries. >> we can't control everything that happens underwater. but information provided by energy producers combined with military intelligence, give us a rather detailed overview of the pipeline network below. >> norway has to protect some 9,000 kilometers of underwater pipelines and cables and in addition, oil and gas installations at sea and on land. norwegian military forces are on patrol around the clock. acts of sabotage are a legitimate threat. the fear became more real after parts of the nord stream gas pipelines were blown up last september. norway is also vulnerable. that's why last october, norwegian prime minster jonas store said norway's armed forces

rune andersen is head of the nation's navy. his mission is to ensure there's no interference and the gas gets to where it's needed. >> norwegian navy chief rune andersen inspects a frigate docked on norway's western coast. ships like these monitor norway's territorial waters and, above all, what lies on their seabed. oil and gas pipelines needed to supply many european countries. >> we can't control everything that happens underwater. but information provided by energy producers combined with military intelligence, give us a rather detailed overview of the pipeline network below. >> norway has to protect some 9,000 kilometers of underwater pipelines and cables and in addition, oil and gas installations at sea and on land. norwegian military forces are on patrol around the clock. acts of sabotage are a legitimate threat. the fear became more real after parts of the nord stream gas pipelines were blown up last september. norway is also vulnerable. that's why last october, norwegian prime minster jonas store said norway's armed fo