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A primary objective for developing the Nag missile was to replace older second-generation anti-tank systems like the Konkours and MILAN.
Answer: True
Indeed, a principal objective for the development of the Nag missile was to supersede existing second-generation anti-tank guided missile systems, such as the Konkours and MILAN, thereby enhancing the Indian Army's anti-armor capabilities.
The Nag missile is a key component of which broader Indian missile development program?
Answer: Integrated Guided Missile Development Program (IGMDP)
The Nag missile is a significant component of India's Integrated Guided Missile Development Program (IGMDP), managed by DRDO.
Bharat Dynamics Limited (BDL) was responsible for the initial design and development of the Nag missile system.
Answer: False
The Defence Research and Development Organisation (DRDO) is credited with the design and development of the Nag missile system, while Bharat Dynamics Limited (BDL) is responsible for its manufacturing.
The development timeline for the Nag missile officially began in the late 1990s.
Answer: False
The official development timeline for the Nag missile system commenced in 1988, not the late 1990s.
Delays in the Nag missile's development were primarily caused by issues related to its solid-propellant rocket system.
Answer: False
The primary causes of significant delays in the Nag missile's development were related to challenges with its Imaging Infrared (IIR) guidance system's seeker, not its solid-propellant rocket system.
The Nag missile's initial guidance seeker used was indigenous, but later replaced by an imported model for improved performance.
Answer: False
The development involved an indigenous seeker, and subsequent improvements focused on enhancing its indigenous capabilities, rather than replacing an indigenous seeker with an imported one.
A one-year delay in the Nag project during 2011 was caused by the manufacturer altering its production schedule.
Answer: False
The one-year delay in 2011 was attributed to the Indian Army altering its requirements for the NAMICA platform following a failure in summer trials, not a change in the manufacturer's production schedule.
By 2008, the estimated development cost for the Nag missile project had reached approximately ₹836 crore.
Answer: True
According to available data, the estimated development cost for the Nag missile project by 2008 was approximately ₹300 crore, which, when adjusted for inflation to 2023 values, is equivalent to about ₹836 crore.
A. P. J. Abdul Kalam played a key role in the manufacturing and production oversight of the Nag missile.
Answer: False
A. P. J. Abdul Kalam played a key role in the *early development stages* of the Nag missile, contributing significantly to its conceptualization and technical direction, rather than manufacturing and production oversight.
The development of the Nag missile was managed under the supervision of Bharat Dynamics Limited (BDL).
Answer: False
The development of the Nag missile was managed by the Defence Research and Development Organisation (DRDO), with Bharat Dynamics Limited (BDL) serving as the primary manufacturer.
Which organization is credited with the design of the Nag missile?
Answer: Defence Research and Development Organisation (DRDO)
The Defence Research and Development Organisation (DRDO) is credited with the design and development of the Nag missile system.
What was the main technical issue that caused significant delays in the Nag missile's development?
Answer: Difficulties with the Imaging Infrared (IIR) guidance system's seeker.
Significant developmental delays were primarily attributed to challenges encountered with the Imaging Infrared (IIR) guidance system's seeker, which struggled to accurately distinguish target signatures from the background environment, particularly under adverse conditions.
When did the development of the Nag missile officially commence?
Answer: 1988
The development of the Nag missile officially commenced in 1988.
The failure in the 2011 summer trials, which caused a delay, was attributed to the missile's inability to hit a target at 4 km due to what specific component's limitations?
Answer: Guidance seeker
The failure in the 2011 summer trials, leading to a project delay, was attributed to limitations in the missile's guidance seeker, specifically its inability to distinguish targets effectively at the required range.
Which key figure was significantly involved in the early development stages of the Nag missile?
Answer: A. P. J. Abdul Kalam
A. P. J. Abdul Kalam was a key figure significantly involved in the early development stages of the Nag missile.
The Nag missile is exclusively designed for daytime engagements and cannot operate effectively at night.
Answer: False
The Nag missile is designed for all-weather operations and has been successfully tested and demonstrated in night engagements, contradicting the assertion of exclusive daytime design.
The Nag missile's initial single-shot hit probability (SSHP) was recorded at approximately 77%.
Answer: True
Initial developmental trials indicated a single-shot hit probability (SSHP) of approximately 77%, which was subsequently improved to 90% through further development and refinement.
The Nag missile is engineered for a ten-year shelf life, requiring no maintenance during that period.
Answer: True
The Nag missile is designed with a ten-year shelf life, indicating robust engineering for long-term operational readiness without routine maintenance.
The Nag missile utilizes a tandem-charge High-Explosive Anti-Tank (HEAT) warhead designed to defeat modern armored vehicles.
Answer: True
This is accurate. The Nag missile employs a tandem-charge HEAT warhead specifically engineered to overcome the defenses of contemporary armored vehicles, including those protected by Explosive Reactive Armour (ERA).
The Nag missile's guidance system requires continuous operator input and control after launch to reach the target.
Answer: False
The Nag missile features a third-generation fire-and-forget guidance system, which does not require continuous operator input after launch. It locks onto the target before launch and guides itself autonomously.
The Nag missile uses centroid tracking for initial guidance and area correlation for terminal homing.
Answer: False
The Nag missile employs an imaging infrared (IIR) seeker. Initial guidance involves area correlation, followed by centroid tracking, and terminal homing is achieved through area correlation around the centroid.
What is the primary characteristic of the Nag missile that allows it to be fired without continuous guidance?
Answer: Fire-and-forget capability with lock-on after launch
The primary characteristic enabling the Nag missile to be fired without continuous guidance is its 'fire-and-forget' capability, which includes lock-on after launch, allowing autonomous target engagement.
According to the source, what is the approximate single-shot hit probability (SSHP) of the Nag missile after improvements?
Answer: 90%
Following developmental improvements, the Nag missile's single-shot hit probability (SSHP) is reported to be approximately 90%.
What type of warhead does the Nag missile employ to defeat modern armor?
Answer: High-Explosive Anti-Tank (HEAT) with tandem charge
The Nag missile employs a High-Explosive Anti-Tank (HEAT) warhead featuring a tandem charge, designed to penetrate advanced armor configurations.
What capability does the 'lock-on after launch' (LOAL) feature provide to the Nag missile?
Answer: Enables the missile to be re-targeted to a different target while in flight.
The 'lock-on after launch' (LOAL) capability allows the missile to be launched towards a general target area, with the option for mid-flight re-targeting to a different or specific target via a data link, thereby enhancing operational flexibility.
What is the stated penetration capability of the standard Nag missile's tandem-charge HEAT warhead?
Answer: Over 900 mm of armor behind ERA and RHA
The standard Nag missile's tandem-charge HEAT warhead is stated to possess a penetration capability exceeding 900 mm of armor, effective against targets protected by Explosive Reactive Armour (ERA) and Rolled Homogeneous Armour (RHA).
What is the primary purpose of the CCD camera integrated into the Nag's guidance system?
Answer: To assist in target acquisition and tracking, being difficult to jam
The integrated CCD camera serves to assist in target acquisition and tracking, offering a robust capability that is difficult to jam.
The HELINA variant of the Nag missile possesses a maximum operational range significantly shorter than the standard land version.
Answer: False
This statement is incorrect. The HELINA variant has an extended operational range of 7 to 10 kilometers, which is significantly longer than the standard land version's range of 4 kilometers.
The SANT missile variant is designed primarily for ground troops as a man-portable anti-tank weapon.
Answer: False
This statement is inaccurate. The SANT (Standoff Anti-tank Guided Missile) is designed for a long-distance airborne anti-armour role, distinct from the man-portable anti-tank weapon (MPATGM) variant.
Prospina is the official designation for the helicopter-launched variant of the Nag missile.
Answer: False
Prospina is the designation for the land-attack variant of the Nag missile. The helicopter-launched variant is known as HELINA.
The Nag missile family includes a man-portable version designated as MPATGM.
Answer: True
Correct. The Nag missile family encompasses a man-portable variant, officially designated as MPATGM (Man-Portable Anti-Tank Guided Missile).
The HELINA missile is designed for deployment from ground-based launchers, similar to the standard Nag ATGM.
Answer: False
This is incorrect. The HELINA (Helicopter-launched Nag) missile is specifically designed for air-launch from helicopter platforms, distinguishing it from the ground-based standard Nag ATGM.
The SANT missile is equipped with both an electro-optical thermal imager and a millimeter-wave active radar homing seeker.
Answer: True
This is accurate. The SANT missile variant is equipped with both an electro-optical thermal imager and a millimeter-wave active radar homing seeker, enhancing its target acquisition capabilities.
The HELINA missile has a penetration capability of up to 900mm of armor behind ERA.
Answer: False
This statement is inaccurate. The HELINA missile is stated to have a penetration capability of up to 800mm of armor, whereas the standard Nag missile's tandem-charge HEAT warhead is designed to penetrate over 900mm of armor behind ERA and RHA.
The Nag Mk2 variant incorporates a jet-vane control system, enhancing its maneuverability compared to the original Nag.
Answer: True
This is accurate. The Nag Mk2 variant features a jet-vane control system, which contributes to improved maneuverability over the original Nag missile design.
The Dhruvastra missile is primarily designed for anti-radiation roles, targeting enemy radar systems.
Answer: False
The Dhruvastra is the designation for the helicopter-launched variant (HELINA) of the Nag missile, designed for anti-armour roles, not for anti-radiation targeting.
The SANT missile is designed for both lock-on before launch (LOBL) and lock-on after launch (LOAL) capabilities.
Answer: True
This is accurate. The SANT missile is designed to support both lock-on before launch (LOBL) and lock-on after launch (LOAL) operational modes.
What is the operational range of the helicopter-launched HELINA/Dhruvastra variant?
Answer: 7 kilometers to 10 kilometers
The operational range of the helicopter-launched HELINA/Dhruvastra variant is between 7 kilometers and 10 kilometers.
Which of the following is NOT listed as a variant of the Nag missile family in the source?
Answer: Rudram-1
Rudram-1 is an anti-radiation missile developed by DRDO and is not a variant of the Nag missile family. HELINA, SANT, and MPATGM are recognized variants.
What is the intended role of the SANT missile variant?
Answer: Long-distance airborne anti-armour engagement
The SANT missile is intended for long-distance airborne anti-armour engagement, leveraging its advanced seeker and extended range.
What is the extended range of the upgraded SANT missile variant equipped with a millimeter-wave active radar homing seeker?
Answer: 15-20 kilometers
The upgraded SANT missile variant, featuring a millimeter-wave active radar homing seeker, possesses an extended operational range of 15 to 20 kilometers.
What does the designation 'Prospina' refer to in the context of the Nag missile?
Answer: The land-attack variant
'Prospina' is the designation given to the land-attack variant of the Nag missile.
What is the significance of the HELINA missile's relatively low weight of 43 kg?
Answer: It reduces the burden on helicopter platforms, especially in high-altitude conditions.
The HELINA missile's low weight of 43 kg is significant as it reduces the burden on helicopter platforms, particularly crucial for operations in high-altitude environments.
The NAMICA is a specialized vehicle designed to launch the Nag missile and is based on the BMP-2 infantry fighting vehicle.
Answer: True
Correct. The Nag Missile Carrier (NAMICA) is indeed a specialized platform designed for launching the Nag missile, and it is based on a modified BMP-2 infantry fighting vehicle chassis.
The NAMICA carrier is equipped to hold eight missiles ready for immediate firing.
Answer: True
The NAMICA carrier is equipped to hold eight missiles ready for immediate firing, in addition to four stored missiles, for a total capacity of twelve.
The NAMICA-2 variant carries a larger number of combat-ready missiles compared to the earlier NAMICA version.
Answer: False
This statement is incorrect. The NAMICA-2 variant typically carries six combat-ready missiles, whereas the earlier NAMICA version carried eight ready missiles.
The HELINA missile can be successfully launched from the HAL Prachand helicopter.
Answer: True
Yes, the HELINA missile can be successfully launched from the HAL Prachand helicopter, among other platforms like the HAL Rudra.
The NAMICA-2 variant, first tested in 2019, features an improved targeting system.
Answer: True
Correct. The NAMICA-2 variant, first tested in 2019, incorporates an improved targeting system.
Which variant of the Nag missile system is designed as a specialized tank destroyer based on a modified BMP-2?
Answer: NAMICA
The NAMICA (Nag Missile Carrier) is the specialized vehicle designed as a tank destroyer, based on a modified BMP-2 infantry fighting vehicle, intended to launch the Nag missile.
How many Nag missiles can the NAMICA carrier hold in total (ready and stored)?
Answer: 12
The NAMICA carrier has a total capacity for twelve Nag missiles, comprising eight ready for immediate firing and four in reserve storage.
Which of the following helicopters are mentioned as platforms for launching the HELINA missile?
Answer: HAL Rudra and HAL Prachand
The HELINA missile is mentioned as being launchable from the HAL Rudra and the HAL Prachand helicopters.
The Nag missile was officially declared ready for production on October 21, 2020.
Answer: False
The Nag missile was declared ready for production on July 19, 2019. The date October 21, 2020, marks the completion of its final trial using a live warhead on a dud tank.
The NAMIS system, featuring the Nag missile carrier, is slated for deployment with the Indian Air Force's fighter squadrons.
Answer: False
The NAMIS (Nag Missile System), which includes the NAMICA carrier, is designated for deployment with the Indian Army's reconnaissance and support battalions of the Mechanised Infantry Regiment, not the Indian Air Force's fighter squadrons.
The final validation trials conducted on July 16, 2010, exclusively tested the Nag missile against moving targets.
Answer: False
The final validation trials on July 16, 2010, tested the Nag missile against both stationary and moving targets, specifically Vijayanta tanks, at various ranges.
Which company manufactures the Nag missile based on DRDO's design?
Answer: BDL
Bharat Dynamics Limited (BDL) is the designated manufacturer of the Nag missile, based on the design provided by the Defence Research and Development Organisation (DRDO).
What was the initial requirement for Nag missiles for the Indian Army's land-launched variant as of 2018?
Answer: 3,000 missiles
As of 2018, the Indian Army's initial requirement for the land-launched variant of the Nag missile was approximately 3,000 units.
The final trial of the Nag missile using a live warhead on a dud tank was conducted on which date?
Answer: October 21, 2020
The final trial of the Nag missile using a live warhead on a dud tank was successfully conducted on October 21, 2020.
The contract signed on March 27, 2025, for the NAMIS system involved which entities?
Answer: Ministry of Defence and Armoured Vehicle Nigam Limited (AVNL)
The contract signed on March 27, 2025, for the NAMIS (Nag Missile System) involved the Ministry of Defence and Armoured Vehicle Nigam Limited (AVNL).