Mapiro as Fleet Snorkel conversion. The changed were minimal as compared to the various Guppy conversions. Distinguished visually be retention of the fleet submarine bow vs the rounded off bow on Guppy submarine conversions. Minimal internal changes or upgrades relative to the more extensive Guppy class conversions (which themselves varied internally in the upgrades and rearrangements).
ss376bogp1959.pdf
ss376bogp1959.pdf