Navy regularly rotated naval vessels through Sri Lanka waters, mostly smaller vessels such as patrol boats. Indian Naval Air Arm No. 321 Squadron of the Indian Navy- HAL Chetaks No. 310 Squadron of the Indian Navy- Breguet Alizé MARCOS (also the Marine Commando Force or MCF) – Took part in Operation Pawan (Hindi, "wind") in 1987 and in the raid on an LTTE base at Gurunagar. MARCOS operators (including Lt Singh) boarded two Gemini rafts off the coast of Jaffna City and towed two wooden rafts of explosives into a channel leading to the city's Guru Nagar Jetty. Avoiding mines, eight men and two officers shifted to the wooden rafts and paddled to the jetty then fixed demolition charges to the jetty and LTTE speedboats. The commandos were detected but laid down suppressive fire and detonated the explosives before retreating to the Geminis without taking casualties. Two nights later, commandos swam back into the harbour amidst heavy patrolling by the LTTE to destroy the remaining speedboats. They were again detected and sustained minor injuries. These actions helped recapture Trincomalee and Jaffna harbours from the LTTE. For leading these actions, the 30-year-old Lieutenant Arvind Singh became the youngest officer to receive the Maha Vir Chakra. Indian paramilitary forces Central Reserve Police Force Indian Coast Guard Combat operations Analysis Casualties In December 1999, Defence Minister George Fernandes disclosed the IPKF had suffered 1,165 personnel killed in action with 3,009 others wounded. The LTTE casualties are not known. Intelligence failures The Indian intelligence agencies failed to consistently provide accurate information to Indian forces. One example is the Jaffna football ground massacre. The LTTE's disinformation machinery leaked fake information to the Indian army that the LTTE leader Velupillai Prabhakaran was hiding in a building near the Jaffna university football ground. A major operational plan was chalked out by the Indian generals to capture him alive. The plan involved airdropping commandos on the ground, while tank formations would move to surround the area, to prevent anyone from the stadium and its surrounding buildings to escape. However, when the plan was executed, the Indian troops came under heavy attack from hidden LTTE sharpshooters. the tanks moving on the ground were ensnared by anti-tank mines placed by the LTTE militants. This resulted in heavy losses for the Indian side. According to later accounts, the LTTE leader, Prabhakaran was not in the area at the time of the