Indian Defence and Strategic Weapons

BrahMos is a versatile supersonic cruise missile designed for multi-platform launch capability. It can be fired from warships, submarines, land-based mobile launchers, and has been successfully tested from aircraft platforms, making 'All of these' the correct choice.

Sea Harriers are Vertical/Short Take-Off and Landing (V/STOL) fighter aircraft. The Indian Navy acquired them as part of their naval aviation fleet. These aircraft were manufactured by British Aerospace in the United Kingdom, making option C correct.

Cope-09 was a bilateral air force exercise between India and the United States. The exercise was conducted in Agra, which has been a regular venue for joint air exercises between the two countries. This tests knowledge of specific military exercises and their locations.

Captain Vikram Batra (PVC, posthumous, 1999 Kargil War) was from 13 Jammu & Kashmir Rifles. He was awarded the Param Vir Chakra for his bravery in the capture of Point 5140.

Trishul is a short-range surface-to-air missile developed by India's DRDO. It was successfully test-fired in January 2002, marking an important milestone in India's missile defense program. Trishul is designed for quick reaction against low-flying aircraft and helicopters.

Lakshya is a pilotless target aircraft developed by DRDO (Defense Research and Development Organization) for the Indian Armed Forces. It is used for training in missile systems and air defense operations.

Lakshya is a pilotless target aircraft used by the Indian Armed Forces for aerial target practice. It is a remotely controlled drone designed to simulate enemy aircraft during training exercises. Unlike missiles (surface-to-air or surface-to-surface), Lakshya is reusable and is not a weapon system itself.

Option (4) is the correct answer.

The first India-China joint military exercise 'Hand-in-Hand' was held in 2007 in Yunnan province, China. This marked a significant step in military-to-military relations between the two Asian powers.

Pinaka is a multi-barrel rocket launcher (MBRL) area weapon system developed by India's DRDO. It can deliver rockets with high accuracy over a wide area, making it effective for area saturation. MBT Arjun is a main battle tank, Brahmos is a cruise missile, and LCA Tejas is a fighter aircraft.

Correct answer is (1). 

The Indian Navy is the correct answer because it successfully completed expeditions to all three poles - the South Pole, North Pole, and Mount Everest. This unique achievement demonstrates their extensive exploration capabilities across extreme terrains. The other options (US Air Force and British Navy) have not accomplished this specific three-pole conquest.