UPI.com, 3 May 2013
SINGAPORE, May 3 (UPI) -- A second Archer class submarine that Singapore purchased from the Swedish navy is fully operational.
Singapore's Ministry of Defense said the RSS Swordsman was commissioned this week at Changi Naval Base and joins the RSS Archer, which was also purchased from Sweden.
The RSS Swordsman has been refurbished for operations in local conditions and features upgraded combat and sensor suites. An Air Independent Propulsion system for greater stealth, extended reach and expanded operational capabilities was also added. Full story