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In this exercise, the new ship of India INS Nistar was first deployed as operational. Along with this, DSRV Tiger X was also engaged in practice.
The Indian Navy successfully operates (Test) its Deep Submissance Rescue Vehicle (DSRV) Tiger X in Singapore Navy’s Multinational Submarine Rescue Exercise XPR-25.
This joint exercise took place in two phases in 15 to 20 September noise phase (training on land) and 20 to 25 September C Phase (training in the sea) in South China Sea. It included Navy of more than 40 countries.
This was the first time that India’s Submarine Rescue System worked outside the Indian Ocean region and did a full-spectrum rescue exercise in South China Sea, in which the Indian DSRV was docated with a friendly submarine in Artificial Conditions.
The Sea Phase included 3 submarine rescue units. All were posted on their mother ship. Among them, Singapore unit was placed on MV Swift Rescue, Japan’s unit JS Chiyoda and India’s unit at INS NISTAR. Nistar has recently been commissioned in the Indian Army.
3 pictures of submarine exercises in the sea …



India’s first dive of India’s DSRV Tiger X in South China Sea
On 23 September, India’s DSRV Tiger X made its first divers out of the domestic water sector. During this time, the mini-pandube first met South Korea’s submarine Shin Dol-SEOK (S-082). After this, it was also successfully docked by Singapore’s submarine RSS Invincible, and completed two successful mating.
India’s DSRV System and Tup Technology
India currently operates two DSRVs, which were purchased from UK company James Fisher Defense (JFD Global) in 2016 under a 193 million pound contract.
Each system includes:
- Rescue vehicle
- Launch and recovery equipment
- TUP system (Transfer under pressure)
- Comprehensive logistic support
The Tup system helps people safely transfer from one pressure environment (eg submarine or DSRV) in deep sea missions. This prevents sudden pressure from changing and prevents decomposition sickness. For example, the crew member can be safely transferred from rescue submarine or diving vine to a larger hyperburic chamber or lifeboat.
What are diving support ships?
Diving support ship is used for diving and rescue operations in deep sea. This ship helps divers safe to the depths of the sea, work and bring back there.
It consists of oxygen supply, pressure control chamber, robotic equipment (Rovs) and rescue boats. It is also used to save people trapped in submarines. Such ships are with very few countries and strengthen the deep marine capacity of the Navy.
July 18: INS Nistar commission in Indian Navy
The first diving support ship INS Nistor in the country was included in the Indian Navy on 18 July. It is designed for a rescue campaign up to 300 meters inside the sea. The weight of this ship is more than 10,000 tonnes. Also 118 meters long.
INS Nistar has been prepared by Hindustan Shipyard Limited. In Visakhapatnam, the INS was handed over to the INS Nir Sena in the presence of Tripathi of Minister of State for Defense Sanjay Seth and Navy Chief Admiral Dinesh. Such a ship is with selected countries of the world.

Navy Chief said- India becomes submarine rescue partner of this region
Tripathi of Navy Chief Admiral Dinesh said that INS Nistr is not just a technical platform, but an important step to increase the operational capacity of the Indian Navy. After its commission, India has become a ‘submarine rescue partner’ of the region.
Minister Seth said- India can also make a war-ship of international level
Minister of State for Defense Sanjay Seth said, ‘INS is a symbol of’ self -sufficient India ‘. The construction of this ship contributes 120 MSMES (small scale industries) and more than 80% indigenous materials. India’s shipyard industry has now become so capable that it can also make an international level war-ship.

In the presence of Tripathi of Minister of State for Defense Sanjay Seth and Navy Chief Admiral Dinesh, INS was handed over to the INS Nir Sena.
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