Space Technology & Defence – Complete Notes (Page 2)
Shaktimatha Learning – Special Topic Notes
1. Defence Technology – Overview
Defence technology includes advanced systems and equipment used to protect a nation from external threats and ensure national security.
- Missiles and weapon systems
- Radar and surveillance systems
- Drones and unmanned systems
- Cyber security and electronic warfare
2. Missiles
Missiles are guided weapons designed to deliver payloads to specific targets with high accuracy.
Types of Missiles:
- Ballistic Missiles – Travel in a curved trajectory and cover long distances
- Cruise Missiles – Fly at low altitude with high precision
Example:
- BrahMos – Supersonic cruise missile developed by India and Russia
3. Radar Systems
Radar (Radio Detection and Ranging) is used to detect and track objects such as aircraft, ships, and missiles.
- Used in air defence systems
- Provides early warning signals
- Tracks enemy movement
4. Drones (Unmanned Aerial Vehicles)
Drones are aircraft operated without a human pilot onboard.
- Used for surveillance and reconnaissance
- Delivery and logistics
- Combat operations
5. DRDO (Defence Research and Development Organisation)
DRDO is India's premier defence research agency responsible for developing advanced military technology.
- Develops missiles, radars, and defence equipment
- Supports Indian armed forces
- Focus on indigenous technology development
6. Electronic Warfare
Electronic warfare involves the use of electromagnetic spectrum to disrupt enemy systems.
- Jamming enemy communication
- Protecting own communication systems
- Signal intelligence gathering
7. Cyber Warfare
Cyber warfare refers to attacks on computer systems, networks, and data to weaken a country’s defence capabilities.
- Hacking and data theft
- Disrupting communication networks
- Protecting critical infrastructure
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