Ada or Milgem class corvette, from the Turkish words Milli Gemi, is the name of one of two Turkish national warship programs; the purpose of which is to build a modern littoral combat warship with indigenous capabilities, extensively using the principles of stealth technology in its design. Construction of the first Milgem class corvette, F-511 TCG Heybeliada, began on 26 July 2005. TCG Heybeliada was put to sea with a ceremony on September 27, 2008 and is scheduled to be completed by 25 October 2010, when it will start undergoing full sea trials before being officially commissioned. F-511 TCG Heybeliada is expected to enter service in early 2011. A total of twelve Milgem class warships will be built for the Turkish Navy, with possible exports to other countries.