The S-80+ submarine is a larger submarine than the Scorpene-class and DSME-1400PN submarines offered by Naval Group and Hanwha Ocean, respectively, and is equipped with an AIP and originally designed for power projection. The larger sub is also more expensive although Spain's higher purchase price is attributed to cost overruns from delays and design issues, although the "perfected" submarine can now be exported at a lower cost.
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