December 9, 2006, from Mahindapura Southwards and captured LTTE camps around Echchalanpaththuwa area. The 3rd and 4th advances of SLA started on December 10, 2006, from Trikonamadu and Kadjuwatta onwards. Battle of Ampara-Kanchikudiyaaru or Kanchikudicharu The military operation to consolidate the GOSL's control of Amparai code named as "Operation Definite Victory" took place in the Ampara district, in the Lahugala jungles. The Special Task Force also known as the STF was involved in the operation that captured the Kanchikudicharu கஞ்சிகுடிச்சாறு LTTE military complex during the first week of January 2007 STF troops captured around 20 LTTE camps including major bases such as Janak, Stanley and the Jeevan base. These complexes provided infrastructure for LTTE military cadres in the area. After capturing large infrastructure facility of the LTTE, the STF troops found a truck and a motorcycle packed with explosives. The military believed that these items were prepared for a suicide attack in Colombo. The STF also recovered large quantity of arms and ammunition, coffins, anti-personnel mines, radio receivers, global positioning systems, Power generators, boats with name and logo of the NGO "Save the Children", tents with the logo of "UNHCR", and a fully equipped hospital named by the Tigers as Thileepan Memorial Hospital donated by a Dutch INGO named ZOA Refugee Care. Battle of Thoppigala The dominating peak in the area is called Thoppigala (British called it Baron's cap, tamils called it Kudumbimalai). It is situated near the Batticaloa–Polonnaruwa border close to Maduru Oya the Sri Lankan military's largest infantry training base. The area is ~800 square kilometers, with rocky mountains (Dimbulagala - Lahugala range), dense jungles and also ancient irrigation tanks. The Sri Lankan military launched their military operation to capture the area from LTTE on April 25, 2007. The full scale jungle warfare started, and the LTTE was trying to protect their last stronghold in Eastern Sri Lanka. The SLA estimated around 500-700 LTTE cadres were fighting in the area in a network of trenches and tunnels. Capture of LTTE bases During the period of June 8–9, 2007 Sri Lankan army captured 4 LTTE military bases at Ibbanvila, Akkarathivu, Mawadi-ode, and Veppanveli in Pankudavaella North, and Naarakmulla, South of the Thoppigala area. During the confrontation, around 30 LTTE cadres and 1 SLA personnel died. The SLA captured 06 Multi Purpose Machine Guns (MPMG), 21 T-56 assault riffles, 04 Rocket Propeller Grenade (RPG) launchers, and a large quantity of