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UPSC NDA, CDS & AFCAT Current Affairs Compendium
Curated from PIB & Ministry of Defence • Printed on 15 Oct, 2026
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UPSC PRELIMS / WRITTEN FOCUS:
Key factual data, participating nations, ranges, and organizations.
SSB GD & LECTURETTE ANGLE:
Geopolitical impact, operational readiness, and strategic deterrence.
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Science & Tech Space & Astronomy
28 Sep, 2026

NASA Sets Coverage for Roman Space Telescope Launch from Florida - NASA (.gov)

NASA Sets Coverage for Roman Space Telescope Launch from Florida NASA (.gov)

Expected NDA/CDS/AFCAT MCQ:
AI Exam Standard
The Nancy Grace Roman Space Telescope, frequently featured in recent space exploration updates, is a flagship astronomy mission developed by which space agency?
(A) ISRO
(B) NASA
(C) ESA
(D) JAXA
Correct Answer: (B) — NDA/CDS/AFCAT Exam Pointer:
The Nancy Grace Roman Space Telescope is a NASA observatory designed to study dark energy, dark matter, and exoplanets. It is scheduled for launch from Florida to conduct wide-field infrared astronomy.
SSB Interview & Lecturette Framework:
Strategic Significance: Institutional Governance: Effective policy execution and civil-military alignment form the bedrock of national sovereignty.
Group Discussion (GD) Angle: GD Topic: The socio-economic impact of good governance and transparent public administration in India.
IO Cross-Question Tip: IO Question: 'How does strong domestic governance directly reinforce external national security?'
NASA (.gov) Original Source
Science & Tech Space & Astronomy
28 Sep, 2026

Mapping Mangroves by Satellite - NASA Science (.gov)

Mapping Mangroves by Satellite NASA Science (.gov)

Expected NDA/CDS/AFCAT MCQ:
AI Exam Standard
Which global space agency recently utilized advanced satellite technology for comprehensive global mapping and monitoring of mangrove ecosystems?
(A) ISRO
(B) NASA
(C) ESA
(D) JAXA
Correct Answer: (B) — NDA/CDS/AFCAT Exam Pointer:
NASA utilizes advanced satellite Earth observation data to map and monitor vulnerable mangrove forests worldwide, helping track ecological changes and coastal carbon sequestration.
SSB Interview & Lecturette Framework:
Strategic Significance: Institutional Governance: Effective policy execution and civil-military alignment form the bedrock of national sovereignty.
Group Discussion (GD) Angle: GD Topic: The socio-economic impact of good governance and transparent public administration in India.
IO Cross-Question Tip: IO Question: 'How does strong domestic governance directly reinforce external national security?'
NASA Science (.gov) Original Source
Science & Tech Space & Astronomy
28 Sep, 2026

Wow! Watch SpaceX's Starship megarocket deploy satellites into orbit for 1st time ever (photos, video) - Space

Wow! Watch SpaceX's Starship megarocket deploy satellites into orbit for 1st time ever (photos, video) Space

Expected NDA/CDS/AFCAT MCQ:
AI Exam Standard
Which of the following aerospace companies successfully deployed satellites into orbit using its Starship megarocket for the first time?
(A) Blue Origin
(B) SpaceX
(C) Rocket Lab
(D) Virgin Galactic
Correct Answer: (B) — NDA/CDS/AFCAT Exam Pointer:
SpaceX successfully deployed satellites into orbit for the first time using its massive Starship megarocket during a landmark flight test.
SSB Interview & Lecturette Framework:
Strategic Significance: Institutional Governance: Effective policy execution and civil-military alignment form the bedrock of national sovereignty.
Group Discussion (GD) Angle: GD Topic: The socio-economic impact of good governance and transparent public administration in India.
IO Cross-Question Tip: IO Question: 'How does strong domestic governance directly reinforce external national security?'
Science & Tech Space & Astronomy
28 Sep, 2026

An American Cold War-era spy satellite just exploded above Earth — and nobody knows why - Live Science

An American Cold War-era spy satellite just exploded above Earth — and nobody knows why Live Science

Expected NDA/CDS/AFCAT MCQ:
AI Exam Standard
Recently, which country's Cold War-era spy satellite unexpectedly exploded in low Earth orbit, raising fresh concerns over space debris?
(A) United States
(B) Russia
(C) China
(D) France
Correct Answer: (A) — NDA/CDS/AFCAT Exam Pointer:
An American Cold War-era spy satellite unexpectedly exploded in Earth's orbit, contributing to the growing problem of space debris. The exact cause of the explosion remains unknown.
SSB Interview & Lecturette Framework:
Strategic Significance: Institutional Governance: Effective policy execution and civil-military alignment form the bedrock of national sovereignty.
Group Discussion (GD) Angle: GD Topic: The socio-economic impact of good governance and transparent public administration in India.
IO Cross-Question Tip: IO Question: 'How does strong domestic governance directly reinforce external national security?'
Live Science Original Source
Science & Tech Space & Astronomy
28 Sep, 2026

India's TakeMe2Space to launch orbital computing satellite on SpaceX rocket - Reuters

India's TakeMe2Space to launch orbital computing satellite on SpaceX rocket Reuters

Expected NDA/CDS/AFCAT MCQ:
AI Exam Standard
Which Indian space-tech startup is set to launch its orbital computing satellite using a SpaceX rocket?
(A) Skyroot Aerospace
(B) TakeMe2Space
(C) Agnikul Cosmos
(D) Pixxel
Correct Answer: (B) — NDA/CDS/AFCAT Exam Pointer:
Indian space-tech startup TakeMe2Space is scheduled to launch an orbital computing satellite aboard a SpaceX rocket. This mission highlights the growing participation of Indian private entities in global space endeavors.
SSB Interview & Lecturette Framework:
Strategic Significance: Institutional Governance: Effective policy execution and civil-military alignment form the bedrock of national sovereignty.
Group Discussion (GD) Angle: GD Topic: The socio-economic impact of good governance and transparent public administration in India.
IO Cross-Question Tip: IO Question: 'How does strong domestic governance directly reinforce external national security?'
Science & Tech Space & Astronomy
28 Sep, 2026

NASA Sets Coverage for Astronaut Anil Menon Launch to Space Station - NASA (.gov)

NASA Sets Coverage for Astronaut Anil Menon Launch to Space Station NASA (.gov)

Expected NDA/CDS/AFCAT MCQ:
AI Exam Standard
Which space agency announced the launch coverage for astronaut Anil Menon to the International Space Station?
(A) ISRO
(B) NASA
(C) ESA
(D) Roscosmos
Correct Answer: (B) — NDA/CDS/AFCAT Exam Pointer:
NASA provided mission coverage and broadcast details for the spaceflight of astronaut Anil Menon to the International Space Station.
SSB Interview & Lecturette Framework:
Strategic Significance: Institutional Governance: Effective policy execution and civil-military alignment form the bedrock of national sovereignty.
Group Discussion (GD) Angle: GD Topic: The socio-economic impact of good governance and transparent public administration in India.
IO Cross-Question Tip: IO Question: 'How does strong domestic governance directly reinforce external national security?'
NASA (.gov) Original Source
Science & Tech General Science & Innovation
28 Sep, 2026

Indian Railways Approves ₹223 Crore for Kavach 4.0 on 614.75 Route Kilometres of Varanasi Division

Official Press Information Bureau (PIB) update under the Science & Tech sector. Key factual takeaway for UPSC NDA & CDS General Awareness & SSB Interview: Focuses on 'Indian Railways Approves ₹223 Crore for Kavach 4.0 on 614.75 Route Kilometres of Varanasi Division', detailing strategic governance milestones, policy implementation, and high-yield national developments.

Expected NDA/CDS/AFCAT MCQ:
AI Exam Standard
Recently, Indian Railways approved an allocation of ₹223 Crore for the implementation of the Kavach 4.0 system across the Varanasi Division. What is the primary objective of the 'Kavach' system in Indian Railways?
(A) High-speed freight corridor management and tracking
(B) Automatic train protection (ATP) to prevent train collisions
(C) Solar electrification of railway stations and tracks
(D) Passenger Wi-Fi and digital entertainment network
Correct Answer: (B) — NDA/CDS/AFCAT Exam Pointer:
Kavach is an indigenous Automatic Train Protection (ATP) system developed to help prevent train collisions by automatically applying brakes when train drivers fail to do so.
SSB Interview & Lecturette Framework:
Strategic Significance: Institutional Governance: Effective policy execution and civil-military alignment form the bedrock of national sovereignty.
Group Discussion (GD) Angle: GD Topic: The socio-economic impact of good governance and transparent public administration in India.
IO Cross-Question Tip: IO Question: 'How does strong domestic governance directly reinforce external national security?'
Science & Tech Space & Astronomy
27 Sep, 2026

On this day in space! Sept. 27, 1997: NASA's Mars Pathfinder lander sends its last transmission to Earth - Space

On this day in space! Sept. 27, 1997: NASA's Mars Pathfinder lander sends its last transmission to Earth Space

Expected NDA/CDS/AFCAT MCQ:
With reference to the current national development in "On this day in space! Sept. 27, 1997: NASA's Mars Pathf...", which category does this update primarily impact?
(A) Strategic Policy, Public Governance & National Institutional Development
(B) Local Municipal Tax Rate Assessment
(C) Commercial Foreign Exchange Speculation
(D) Private Commercial Real Estate Valuation
Correct Answer: (A) — NDA/CDS/AFCAT Exam Pointer:
NDA/CDS/AFCAT General Awareness: Candidates must track key national initiatives, responsible nodal ministries, institutional frameworks, and policy impacts for the General Knowledge paper.
SSB Interview & Lecturette Framework:
Strategic Significance: Institutional Governance: Effective policy execution and civil-military alignment form the bedrock of national sovereignty.
Group Discussion (GD) Angle: GD Topic: The socio-economic impact of good governance and transparent public administration in India.
IO Cross-Question Tip: IO Question: 'How does strong domestic governance directly reinforce external national security?'
Science & Tech General Science & Innovation
27 Sep, 2026

Belagavi: Technology Business Incubator inaugurated at Visvesvaraya Technological University - The Hindu

Belagavi: Technology Business Incubator inaugurated at Visvesvaraya Technological University The Hindu

Expected NDA/CDS/AFCAT MCQ:
With reference to the current national development in "Belagavi: Technology Business Incubator inaugurated at...", which category does this update primarily impact?
(A) Strategic Policy, Public Governance & National Institutional Development
(B) Local Municipal Tax Rate Assessment
(C) Commercial Foreign Exchange Speculation
(D) Private Commercial Real Estate Valuation
Correct Answer: (A) — NDA/CDS/AFCAT Exam Pointer:
NDA/CDS/AFCAT General Awareness: Candidates must track key national initiatives, responsible nodal ministries, institutional frameworks, and policy impacts for the General Knowledge paper.
SSB Interview & Lecturette Framework:
Strategic Significance: Institutional Governance: Effective policy execution and civil-military alignment form the bedrock of national sovereignty.
Group Discussion (GD) Angle: GD Topic: The socio-economic impact of good governance and transparent public administration in India.
IO Cross-Question Tip: IO Question: 'How does strong domestic governance directly reinforce external national security?'
Science & Tech General Science & Innovation
27 Sep, 2026

How the science Nikolai Vavilov built changed how we save crops - The Hindu

How the science Nikolai Vavilov built changed how we save crops The Hindu

Expected NDA/CDS/AFCAT MCQ:
With reference to the current national development in "How the science Nikolai Vavilov built changed how we sa...", which category does this update primarily impact?
(A) Strategic Policy, Public Governance & National Institutional Development
(B) Local Municipal Tax Rate Assessment
(C) Commercial Foreign Exchange Speculation
(D) Private Commercial Real Estate Valuation
Correct Answer: (A) — NDA/CDS/AFCAT Exam Pointer:
NDA/CDS/AFCAT General Awareness: Candidates must track key national initiatives, responsible nodal ministries, institutional frameworks, and policy impacts for the General Knowledge paper.
SSB Interview & Lecturette Framework:
Strategic Significance: Institutional Governance: Effective policy execution and civil-military alignment form the bedrock of national sovereignty.
Group Discussion (GD) Angle: GD Topic: The socio-economic impact of good governance and transparent public administration in India.
IO Cross-Question Tip: IO Question: 'How does strong domestic governance directly reinforce external national security?'
Science & Tech General Science & Innovation
27 Sep, 2026

The longevity boom is getting ahead of the science - Al Jazeera

The longevity boom is getting ahead of the science Al Jazeera

Expected NDA/CDS/AFCAT MCQ:
With reference to the current national development in "The longevity boom is getting ahead of the science - Al...", which category does this update primarily impact?
(A) Local Municipal Tax Rate Assessment
(B) Strategic Policy, Public Governance & National Institutional Development
(C) Commercial Foreign Exchange Speculation
(D) Private Commercial Real Estate Valuation
Correct Answer: (B) — NDA/CDS/AFCAT Exam Pointer:
NDA/CDS/AFCAT General Awareness: Candidates must track key national initiatives, responsible nodal ministries, institutional frameworks, and policy impacts for the General Knowledge paper.
SSB Interview & Lecturette Framework:
Strategic Significance: Institutional Governance: Effective policy execution and civil-military alignment form the bedrock of national sovereignty.
Group Discussion (GD) Angle: GD Topic: The socio-economic impact of good governance and transparent public administration in India.
IO Cross-Question Tip: IO Question: 'How does strong domestic governance directly reinforce external national security?'
Science & Tech Space & Astronomy
27 Sep, 2026

In 1984, NASA sent 12.5 million tomato seeds to space; in 1990 they had to be brought back to Earth and w - The Times of India

In 1984, NASA sent 12.5 million tomato seeds to space; in 1990 they had to be brought back to Earth and w The Times of India

Expected NDA/CDS/AFCAT MCQ:
With reference to the current national development in "In 1984, NASA sent 12.5 million tomato seeds to space;...", which category does this update primarily impact?
(A) Local Municipal Tax Rate Assessment
(B) Strategic Policy, Public Governance & National Institutional Development
(C) Commercial Foreign Exchange Speculation
(D) Private Commercial Real Estate Valuation
Correct Answer: (B) — NDA/CDS/AFCAT Exam Pointer:
NDA/CDS/AFCAT General Awareness: Candidates must track key national initiatives, responsible nodal ministries, institutional frameworks, and policy impacts for the General Knowledge paper.
SSB Interview & Lecturette Framework:
Strategic Significance: Institutional Governance: Effective policy execution and civil-military alignment form the bedrock of national sovereignty.
Group Discussion (GD) Angle: GD Topic: The socio-economic impact of good governance and transparent public administration in India.
IO Cross-Question Tip: IO Question: 'How does strong domestic governance directly reinforce external national security?'
The Times of India Original Source
UPSC NDA & CDS High-Yield Matrix

Major Joint Military Exercises of India

Exercise Name Participating Country / Group Defence Branch Type & Nature UPSC Exam Key Focus
MALABAR India, USA, Japan, Australia (QUAD) Navy Multilateral Naval High-intensity maritime interoperability, anti-submarine warfare (ASW) in Indo-Pacific.
YUDH ABHYAS India & United States Army Bilateral Wargame High-altitude counter-insurgency and cold-weather mountain warfare.
VAJRA PRAHAR India & United States Army (Special Forces) Bilateral Special Forces Urban counter-terrorism, hostage rescue, and airborne tactical raids.
SURYA KIRAN India & Nepal Army Bilateral Mountain Jungle warfare, counter-terrorism operations, and disaster relief drills.
GARUDA India & France Air Force Bilateral Air Combat Air defence simulation, aerial dogfights, Rafale & Sukhoi-30MKI interoperability.
VARUNA India & France Navy Bilateral Maritime Carrier strike group operations, cross-deck landings, tactical surface drills.
SHAKTI India & France Army Bilateral Army Semi-urban and mountainous counter-terror drills under UN Chapter VII mandate.
JIMEX India & Japan Navy Bilateral Maritime Complex maritime warfare, replenishment at sea, and Indo-Pacific security.
DHARMA GUARDIAN India & Japan Army Bilateral Army Tactical drills in built-up areas and anti-terrorist tactical interoperability.
SAMPRITI India & Bangladesh Army Bilateral Border Counter-insurgency and riverine terrain operational doctrine.
BONGOSAGAR India & Bangladesh Navy Bilateral Maritime Bay of Bengal joint maritime patrol (CORPAT) and anti-piracy operations.
MITRA SHAKTI India & Sri Lanka Army Bilateral Army Sub-conventional operations in semi-urban terrain under UN mandate.
SLINEX India & Sri Lanka Navy Bilateral Maritime Surface weapon firing, helicopter operations, and search & rescue (SAR).
NOMADIC ELEPHANT India & Mongolia Army Bilateral Army Mountain warfare, high-altitude survival, and counter-terror tactics.
DUSTLIK India & Uzbekistan Army Bilateral Central Asia Special operation tactics, unmanned aerial vehicle (UAV) reconnaissance.
KAZIND India & Kazakhstan Army (Joint) Bilateral Army/Air Counter-insurgency and counter-terrorist operations in sub-mountainous region.
TARANG SHAKTI India + 10+ Allied Air Forces Air Force Mega Multilateral Air India's largest multilateral air combat exercise demonstrating IAF global deterrence.
MILAN India + 50+ Global Navies Navy Flagship Multilateral Indian Navy's biennial congregation in Visakhapatnam for global maritime security.

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