**Correction** the Subs speed is 20kts submerged not surfaced. 11 knots is surfaced transit speed.
The history, development, construction, operation and mid-life upgrade of Sweden's Gotland Class submarines. In 1995, the United States Navy designated the new AIP diesel boats SSP (for AIP systems). Most Navies refer to it as an SSK (hunter killer).
Phoa Yew Hui
2021-02-26 04:48:05 +0000 UTCPhoa Yew Hui
2021-02-26 04:21:42 +0000 UTC