Option 1: A supersonic fighter jet

This option is incorrect. The C-130 J Hercules is not a fighter jet, but rather a transport aircraft. Fighter jets are designed for aerial combat, while the C-130 J Hercules is primarily used for transporting troops and equipment.

Option 2: A troop transport aircraft

This option is correct. The C-130 J Hercules is a versatile military transport aircraft that is commonly used for carrying troops, cargo, and equipment. It has the ability to operate in various environments, including rough terrains and remote areas, making it suitable for India`s defence needs.

Option 3: An unmanned patrol aircraft

This option is incorrect. The C-130 J Hercules is not an unmanned patrol aircraft. It is a manned aircraft that requires a crew to operate it. Unmanned patrol aircraft, also known as drones, do not have a crew on board and are used for surveillance and reconnaissance purposes.

Option 4: A multi-purpose amphibious vehicle

This option is incorrect. The C-130 J Hercules is not an amphibious vehicle. It is an aircraft that operates in the air and does not have the capability to travel on land or water. Amphibious vehicles, on the other hand, are designed to operate on