eight-cell Mark 41 vertical launch system (for RIM-7 Sea Sparrow or RIM-162 Evolved Sea Sparrow missiles), two machine guns, and two Mark 32 triple torpedo tube sets (initially firing Mark 46 torpedoes, but later upgraded to use the MU90 Impact torpedo). They were also designed for but not with a close-in weapons system (two Mini Typhoons fitted when required from 2005 onwards), two quad-canister Harpoon anti-ship missile launchers (which were installed across the RAN vessels from 2005 onwards), and a second Mark 41 launcher (which has not been added). The Australian Anzacs use a Sikorsky S-70B-2 Seahawk helicopter; plans to replace them with Kaman SH-2G Super Seasprites were cancelled in 2008 due to ongoing problems. Arunta was laid down at Williamstown, Victoria on 22 July 1995. The ship was assembled from six hull modules and six superstructure modules; the superstructure modules were fabricated in Whangarei, New Zealand, and hull modules were built at both Williamstown and Newcastle, New South Wales, with final integration at Williamstown. She was launched on 28 June 1996 by Dulce Morrow, wife of the first commanding officer of the first Arunta. The ship was commissioned on 12 December 1998. The spelling of the ship's name is not consistent with that used by the Arrernte people, who the previous ship was named after; correcting it was considered, but the RAN decided to use the same spelling as the previous ship. Had the New Zealand government exercised their option for two more frigates, Arunta was one of the ships that would have been designated for the RNZN. Operational history In September 2001, Arunta deployed to northern Australian waters in the wake of the Tampa affair. The ship participated in Operation Gaberdine and Operation Relex in two separate deployments. During the second deployment Arunta was involved in the interception and/or return of Suspected Illegal Entry Vessels (SIEV) 6, 7, and 9. In 2002, Arunta saw active service for the first time when she participated as part of the third rotation of RAN ships to the Persian Gulf as part of Operation Slipper. The ship was involved in the enforcement of United Nations sanctions against Iraq, and at the time operated closer to the Iraqi coast than any other ship of the International Coalition Against Terrorism force. The ship's boarding parties effected 377 boardings during her four months on station. On 12 November 2007, Arunta deployed for her second tour