Hindustan Aeronautics Limited (HAL) is a state-run aerospace and defence manufacturer in India. It is the largest aerospace company in India and produces a wide range of aircraft, helicopters, engines, and other aerospace components. HAL delivered the first trainer version of the LCA Tejas to the Indian Air Force in 2023. The Tejas trainer is a twin-seater aircraft that will be used to train IAF pilots on the Tejas fighter aircraft. It can also serve as a fighter aircraft when needed.

India signed a defence cooperation agreement with Italy on October 10, 2023, in Rome. The agreement was signed by Indian Defence Minister Rajnath Singh and his Italian counterpart Guido Crosetto.

The 20th round of India-China military talks was held on October 9 and 10, 2023 at the Chushul-Moldo border meeting point on the Indian side of the Line of Actual Control (LAC) in eastern Ladakh. The talks were led by Lieutenant General Anupam Bokhar, the General Officer Commanding (GOC) of 14 Corps of the Indian Army, and Major General Yang Lin, the Commander of the South Xinjiang Military District of the Chinese People's Liberation Army (PLA).

The 3rd Battalion of the Naga Regiment, also known as 3 Naga, received the prestigious President’s Colour award in a ceremony at the Kumaon Regimental Centre (KRC) in Ranikhet.

The Indian Army, along with BSNL, installed the first mobile tower at the Siachen Glacier, known as the world's highest battlefield, to improve mobile communication for soldiers at extreme elevations.

Israel tested its new laser-based 'Iron Beam' missile defence system, which is designed to destroy short-range rockets, artillery, and mortar bombs.

In the context of Israel, the acronym "IDF" stands for Israel Defense Forces, which include the Israeli army, navy, and air force.

The Indian Army's 3/5 Gorkha Rifles secured the gold medal at the 2023 Cambrian Patrol Competition, held in Wales, UK. The Cambrian Patrol Competition is a gruelling 54-hour military exercise that tests the physical and mental endurance of soldiers.

Japan became the first country to launch an electromagnetic railgun from an offshore vessel on October 17, 2023. The Japanese Maritime Self-Defense Force (JMSDF) in collaboration with the Acquisition Technology & Logistics Agency (ATLA), a division of the Japanese Ministry of Defense, successfully test-fired a medium-calibre maritime electromagnetic railgun from an offshore platform.

The Indian Navy received the third guided missile destroyer Imphal on October 20, 2023. This is a significant development for the Indian Navy, as it marks a major milestone in India's indigenous shipbuilding capabilities and enhances its maritime strength in the Indian Ocean region.

Defence Minister Rajnath Singh launched Project 'Udbhav', an initiative by the Indian Army to blend ancient wisdom with modern military methods for tackling current security challenges. Project 'Udbhav' aims to rediscover the profound Indian heritage of statecraft and strategic thoughts derived from ancient Indian texts such as Chanakya's Arthashastra, Kamandaka's Nitisara, and the Thirukkural by the Tamil poet-saint Thiruvalluvar.

India and Malaysia launched the joint army exercise 'Harimau Shakti' on October 23, 2023, in Umroi Cantonment, India. The exercise will continue till November 5, 2023, and will engage approximately 120 personnel from both sides. The Malaysian Army contingent comprises troops from the 5th Royal Battalion of Malaysian Army and the Indian contingent is being represented by a Battalion of the Rajput Regiment.

The European Union (EU) and India conducted their first joint naval exercise in the Gulf of Guinea on October 24, 2023. The exercise, which involved ships from the Indian Navy and three EU member states, was aimed at strengthening maritime security cooperation in the region. The EU-India Maritime Security Dialogue, which was held in Brussels on October 5, 2023, paved the way for the exercise. The dialogue focused on a range of issues, including maritime security cooperation, piracy, and human trafficking.

The Indian Army's first Vertical Wind Tunnel (VWT) is located at the Special Forces Training School (SFTS) in Himachal Pradesh. It was inaugurated in October 2023. The VWT is a state-of-the-art facility that provides military trainees with a controlled environment to enhance their Combat Free Fall (CFF) skills by simulating real-life free fall conditions. This will allow the special forces to prepare for contemporary battlefields more effectively.

A group of 120 personnel from the Indian Army and Indian Air Force has left for Kazakhstan to participate in the 7th edition of the Joint Military 'Exercise KAZIND-2023' held in Otar, Kazakhstan from October 30 to November 11, 2023, enhancing bilateral ties.

India has submitted a Letter of Request to the French government for 26 Rafale Marine fighter jets. This procurement will significantly enhance the Indian Navy's capabilities, allowing it to operate more effectively in the maritime domain. The Rafale Marine is a versatile fighter jet that can perform a variety of missions, including air superiority, ground attack, and maritime strike.

The Indian Air Force has deployed three out of the five agreed-upon S-400 air defense missile squadrons along the borders with China and Pakistan, marking a significant enhancement of India's defense system.

The fourth edition of the Goa Maritime Conclave (GMC), hosted by the Indian Navy from October 29th to October 31st, 2023, under the Naval War College’s oversight in Goa, signifies a significant gathering of dignitaries and experts from twelve Indian Ocean Region (IOR) countries. The conclave’s central theme, “Maritime Security in the Indian Ocean Region: Converting Common Maritime Priorities into Collaborative Mitigating Frameworks,” mirrors the essential mission of harmonizing and aligning the capacities and capabilities of IOR nations to realize SAGAR (Security and Growth for All in the Region).

The HAL Prachand is an Indian multi-role light attack helicopter designed and manufactured by Hindustan Aeronautics Limited under Project LCH. It has been ordered by the Indian Air Force and the Indian Army. Its flight ceiling is the highest among all attack helicopters in the world.

The United States military conducted a Minuteman III missile launch recently, showcasing its nuclear capability. The Minuteman III is an intercontinental ballistic missile (ICBM) that is part of the US's nuclear triad. The triad is a combination of ICBMs, submarine-launched ballistic missiles (SLBMs), and strategic bombers. The US maintains a nuclear triad to ensure that it has a second-strike capability in the event of a nuclear attack.