Training Wing led by Wg Cdr Micky Blake. The first air attacks were made at dawn on 18 December and were aimed at destroying Diu's fortifications facing the mainland. Throughout the rest of the day, the Air Force had at least two aircraft in the air at any time, giving close support to advancing Indian infantry. During the morning, the air force attacked and destroyed Diu Airfield's ATC as well as parts of Diu Fort. On orders from Tactical Air Command located at Pune, a sortie of two Toofanis attacked and destroyed the airfield runway with 4 1000 lb Mk 9 bombs. A second sortie aimed at the runway and piloted by Wg Cdr Blake himself was aborted when Blake detected what he reported as people waving white flags. In subsequent sorties, PM Ramachandran of the Indian Air Force attacked and destroyed the Portuguese ammunition dump as well a patrol boat N.R.P. Vega that attempted to escape from Diu. In the absence of any Portuguese air presence, Portuguese ground-based anti-aircraft units attempted to offer resistance to the Indian raids, but were overwhelmed and quickly silenced, leaving complete air superiority to the Indians. Continued attacks forced the Portuguese governor of Diu to surrender. Naval action at Diu The Indian cruiser INS Delhi was anchored off the coast of Diu and fired a barrage from its 6-inch guns at the Portuguese occupied Diu Fortress. The Commanding Officer of the Indian Air Force operating in the area reported that some of the shells fired from the Delhi were bouncing off the beach and exploding on the Indian mainland. However, no casualties were reported from this. At 04:00 on 18 December, the Portuguese patrol boat NRP Vega encountered the Delhi around off the coast of Diu, and was attacked with heavy machine gun fire. Staying out of range, the boat had no casualties and minimal damage, the boat withdrew to the port at Diu. At 07:00, news was received that the Indian invasion had commenced, and the commander of the Vega, 2nd Lt Oliveira e Carmo was ordered to sail out and fight until the last round of ammunition. At 07:30 the crew of the Vega spotted two Indian aircraft led by Flt. Lt. PM Ramachandran on patrol missions and opened fire on them with the ship's 20mm Oerlikon gun. In retaliation the Indian aircraft attacked the Vega twice, killing the captain and the