Union cabinet approves the establishment of ‘Third Launch Pad’ (TLP) project | Current Affairs | Vision IAS
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    Union cabinet approves the establishment of ‘Third Launch Pad’ (TLP) project

    Posted 17 Jan 2025

    2 min read

    The project will be established at Satish Dhawan Space Centre of ISRO at Sriharikota, Andhra Pradesh.

    About TLP

    • Key features: Configured to support Launch of NGLV and Launch Vehicle Mark-3 (LVM3) vehicles with Semi cryogenic stage.
      • Supports horizontal & tilted integration of New NGLVs
    • Significance: Enables higher launch frequencies and enhances the launch capacity for future human spaceflight & space exploration missions etc.  

    Existing launch pads in India 

    • Currently, ISRO relies on 2 launch pads located at Shriharikota - First Launch Pad (FLP) & Second Launch Pad (SLP).
      • FLP was realized for Polar Satellite Launch Vehicle (PSLV) and continues to provide launch support for PSLV & SSLV.
      • SLP was established primarily for GSLV & LVM3 and also functions as standby for PSLV.
        • Launched the Chandrayaan-3 mission & set to launch the Gaganyaan missions.   

    Reasons for Selecting Sriharikota for TLP: 

    • Located on eastern coast: Facilitates the launching in an easterly direction, taking advantage of earth’s rotation.
    • Proximity to equator: Provides launch vehicles with an additional push (Earth's rotation from west to east is fastest at equator) leading to substantial increase in pay loads & cutting down the operational costs.
    • Safety Purpose: Does not have major international maritime or airline routes crisscrossing testing.
    • Others: Largely uninhabited area & closer to the sea ensuring flight path of launch vehicles is entirely over the sea etc. 

    New Generation Launch Vehicles (NGLV) Programme  

    • About: Programme by ISRO to develop a new rocket (also known as Soorya Rocket) to launch satellites, spacecraft and other payloads.
    • Features:
      • 3 stage vehicle with reusable first stage. Reusability results in low-cost access to space and modular green propulsion systems.  
      • The booster stages will use semi-cryogenic propulsion, using refined kerosene as fuel and liquid oxygen (LOX) as oxidizer.
      • It will have 3 times the present payload capability with 1.5 times the cost compared to LVM3.
    • Tags :
    • Third Launch Pad
    • Shriharikota
    • Satish Dhawan Space Center
    • NGLV
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