Engineering:Prithvi (missile)

Short description: Indian series of short-range missiles

Prithvi
Prithvi II missile during a launch
Type	Short-range ballistic missile
Place of origin	India
Service history
In service	1994 (Prithvi I)
Used by	Strategic Forces Command
Production history
Designer	Defence Research and Development Organisation
Manufacturer	Bharat Dynamics Limited
Produced	February 25, 1988 (Prithvi I) January 27, 1996 (Prithvi II) January 23, 2004 (Prithvi III)
No. built	30 (2017 est.)
Specifications
Mass	4,400 kg (Prithvi I) 4,600 kg (Prithvi II) 5,600 kg (Prithvi III)
Length	9 m (Prithvi I) 8.56 m (Prithvi II, Prithvi III)
Diameter	110 cm (Prithvi I, Prithvi II) 100 cm (Prithvi III)
Warhead	High explosives, penetration, cluster munition, fragmentation, thermobaric, chemical weapon and tactical nuclear weapon
Warhead weight	500 kg (1,100 lb) - 1,000 kg (2,200 lb)
Engine	Single-stage liquid rocket (Prithvi I, Prithvi II), Two-stage solid rocket (Prithvi III)
Propellant	Liquid fuel (Prithvi I, Prithvi II), Solid fuel (Prithvi III)
Operational range	150 km (Prithvi I) 250–350 km (Prithvi II) 350–750 km (Prithvi III)
Guidance system	Strap-down inertial navigation system
Accuracy	50 m CEP (Prithvi I, Prithvi II) <10 m CEP (Prithvi II upgrade) 25 m CEP (Prithvi III)
Launch platform	8 x 8 Tata transporter erector launcher

Prithvi (Sanskrit: pṛthvī "Earth") is a tactical surface-to-surface short-range ballistic missile (SRBM) developed by Defence Research and Development Organisation (DRDO) of India under the Integrated Guided Missile Development Program (IGMDP). It is deployed by India's Strategic Forces Command.

Development and history

The Government of India launched the Integrated Guided Missile Development Program in 1983 to achieve self-sufficiency in the development and production of wide range of ballistic missiles, surface-to-air missiles etc. Prithvi was the first missile to be developed under the program. DRDO attempted to build a surface-to-air missile under Project Devil. Variants make use of either liquid or both liquid and solid fuels. Developed as a battlefield missile, it could carry a nuclear warhead in its role as a tactical nuclear weapon.

Variants

The Prithvi missile project encompassed developing three variants for use by the Indian Army, Indian Air Force and the Indian Navy. The initial project framework of the Integrated Guided Missile Development Program outlines the variants in the following manner.

• Prithvi I (SS-150) – Army version (150 km (93 mi) range with a payload of 1,000 kg (2,200 lb))
• Prithvi II (SS-250) – Air Force version (350 km (220 mi) range with a payload of 500 kg (1,100 lb))
• Prithvi III (SS-350) – Naval version (350 km (220 mi) range with a payload of 1,000 kg (2,200 lb))

Description

Agni and Prithvi missile models in DRDO, Balasore

Prithvi I

Prithvi I class is a single-stage liquid-fueled surface-to-surface ballistic missile having a maximum warhead mounting capability of 1,000 kg, with a range of 150 km (93 mi). It has an accuracy of 10–50 m (33–164 ft) and can be launched from transporter erector launchers. This class of Prithvi missile was inducted into the Indian Army in 1994. As Per (DRDO)'s former Chief Avinash Chander , the tactical 150 km-range Prithvi missile will be replaced with the Prahaar missile, which is more capable and has more accuracy. According to Chander, the Prithvi I missiles withdrawn from service would be upgraded to be used for longer ranges.

Prithvi II

Prithvi II class is also a single-stage liquid-fueled missile having a maximum warhead mounting capability of 500 kg, but with an extended range of 250 km (160 mi). It was developed with the Indian Air Force being the primary user. It was first test-fired on 27 January 1996 and the development stages were completed in 2004. This variant has been inducted into the army as well. In a test, the missile was launched with an extended range of 350 km (220 mi) and had improved navigation due to an inertial navigation system. The missile features measures to deceive anti-ballistic missiles.

The missile was inducted into India's Strategic Forces Command in 2003, and it was the first missile developed under the IGMDP. After a failed test on 24 September 2010, two more missiles aimed at two different targets were launched on 22 December 2010 and were successful. According to news sources the range is now increased to 350 km (220 mi) and the payload capacity now ranges between 500 – 1000 kg. On June 2, India successfully test-fired its indigenous nuclear-capable Prithvi-II missile. The launch happened at the Integrated Test Range at Chandipur in Odisha at 9:50am. The missile, capable of carrying payloads of up to 1,000 kg, was inducted into the armed forces in 2003. It is the first to be developed by the Defence Research and Development Organization under its Integrated Guided Missile Development Programme.

India's Strategic Forces Command test launched two short-range nuclear capable ballistic missiles at night as part of its annual training cycle to test the combat readiness of the Indian Army's missile forces. Two Prithvi-II tactical surface-to-surface short-range ballistic missiles were test fired from the Integrated Test Range (ITR) on Dr. Abdul Kalam Island in the Bay of Bengal off the coast of Odisha at nighttime on November 20. The missile launches took place between 7 p.m. and 7:15 p.m., according to government sources cited in local media reports. The trial of the surface-to-surface missile with a strike range of 350 km was carried out from a mobile launcher from launch complex-3 of the ITR at 7:05 pm, sources told India Today TV, adding it was a routine trial.

India on Tuesday conducted a night trial of its indigenously developed, nuclear-capable surface-to-surface Prithvi-II missile off Odisha coast. The Strategic Forces Command conducted the night trial of short-range ballistic missile Prithvi-II from launch complex-3 of Integrated Test Range in Chandipur.Defence sources said that the missile has strike range of 350 km, was test-fired at 7.48 p.m. on Tuesday 04 Dec. The Strategic Forces Command conducted night trial of Prithvi II in full operational configuration from Launch Complex III of Integrated Test Range on 23 September 2020.

Test type	Date	User	Status	Notes
Test	27 January 1996	DRDO	Successful
User Trial	12 October 2009 (I)	Strategic Forces Command
	12 October 2009 (II)
	22 December 2010 (I)
	22 December 2010 (II)
	9 June 2011
	25 August 2012
	4 October 2012
	7 October 2013
	7 January 2014
	28 March 2014
	26 November 2015
	16 February 2016
	18 May 2016
	21 November 2016 (I)
	21 November 2016 (II)
	2 June 2017
	7 February 2018
	21 February 2018
	21 November 2019
Night trail	4 December 2019
	23 September 2020
	16 October 2020
	15 June 2022
	10 January 2023

Prithvi III

Prithvi III class is a two-stage surface-to-surface missile. The first stage is solid fueled with a 16 metric ton force (157 kN) thrust motor. The second stage is liquid-fueled. The missile can carry a 1,000 kg warhead to a distance of 350 km (220 mi) and a 500 kg warhead to a distance of 600 km (370 mi) and a 250 kg warhead up to a distance of 750 km (470 mi).

Prithvi III was first tested in 2000 from INS Subhadra, a Sukanya-class patrol vessel. The missile was launched from the updated reinforced helicopter deck of the vessel. The first flight test of the 250 km (160 mi) variant was only partially successful. The full operational testing was completed in 2004.

Dhanush (missile)

Dhanush
Dhanush missile during a launch
Type	Short-range ballistic missile
Place of origin	India
Service history
Used by	Indian Navy
Production history
Designer	Defence Research and Development Organisation
Manufacturer	Bharat Dynamics Limited
Specifications
Mass	4,500 kg
Length	8.53m
Diameter	0.9m
Warhead	Conventional (blast, fragmentation, thermobaric) and tactical nuclear weapon
Operational range	350 km with 1000 kg warhead. 600 km with 500 kg warhead. 750 km with 250 kg warhead.

Dhanush (Sanskrit: धनुष, "Bow") is a variant of the surface-to-surface or ship-to-ship Prithvi III missile, which has been developed for the Indian Navy. It is capable of carrying both conventional as well as nuclear warheads with pay-load capacity of 500 kg-1000 kg and can strike targets in the range of 350 km. Dhanush is a system consisting of a stabilization platform and the missile. It is a customized version of the Prithvi and is certified for sea worthiness. Dhanush has to be launched from a hydraulically stabilized launch pad. Its low range acts against it and thus it is seen as a weapon either to be used to destroy an aircraft carrier or an enemy port. The missile has been tested from surface ships of the navy many times.

History

The missile was successfully tested-fired from INS Subhadra, which was anchored about 35 km (22 mi) offshore from the Integrated Test Range at Chandipur on December 13, 2009. It was the sixth test of the missile.

The missile was test-fired successfully on 5 October 2012, on 23 November 2013, 9 April 2015, and 24 November 2015 from Indian Navy ship INS Subhadra (P51) in the Bay of Bengal off the Orissa coast.

The December 2015, an enhanced 350 km version of the Dhanush was tested from INS Rajput and successfully hit a land-based target.

Dhanush was again tested on November 26, 2015 from INS Subhadra in the Bay of Bengal.

A successful user trial was conducted from a naval ship on 23 February 2018 by the Strategic Forces Command off the Odisha coast.

Capabilities

The Dhanush missile can be used as an anti-ship weapon as well as for destroying land targets depending on the range.

See also

Other Indian missile projects

• Project Devil
• SS-45 Missile
• Project Valiant
• Indian Ballistic Missile Defence Programme
• K Missile family

Comparable missiles

• Ghaznavi
• Abdali-I
• Shaheen-I
• J-600T Yıldırım
• Fateh-313
• Qiam 1
• B-611
• DF-11
• Al Hussein (missile)
• Burkan-1
• Sky Spear

External links

• CSIS Missile Threat - Prithvi I/II/III
• CSIS Missile Threat - Dhanush

Technical:

• DRDO Technology Focus : Warhead for Missiles, Torpedoes and Rockets