• The first part of the Indo-French joint naval exercise, Varuna 19.1 was kicked off the Goa coast.  The exercise will be conducted in two phases. The second part, Varuna 19.2, is scheduled to be held at the end of May in Djibouti. 
  • The defence ministry has approved the procurement of 10 Kamov Ka-31 Airborne Early Warning and Control helicopters for the Indian Navy. The cost of the deal would be around Rs 3,600 crore and the 10 helicopters would be deployed on the aircraft carriers and warships of the Navy including the INS Vikrant and Grigorovich-class frigates.
  • The fourth of Indian Navy’s stealth Scorpene class Submarines of Project 75, INS Vela was launched at the Kanhoji Angre Wet Basin of Mazagon Dock Limited at Mumbai in Maharashtra.
  • INS Ranjit, an Indian navy destroyer built by erstwhile USSR, is set to be decommissioned. The third of the five Kashin-class destroyers. The ship will be decommissioned at a solemn ceremony at the Naval dockyard in Visakhapatnam
  • Japanese aerospace start-up Interstellar Technology Inc. has successfully launched a first privately developed rocket ‘Momo-3’ into space. The unmanned Momo-3 was launched from its test site in Hokkaido and reached about 110 kilometers (68 miles) in altitude before falling into the Pacific Ocean after 10 minutes of flight time.
  • Space Exploration Technologies Corp. (Space X) launched its 17th commercial resupply mission to the International Space Station (ISS) by using Falcon 9 rocket with Dragon Spacecraft. The 213-foot-tall rocket lifted off from Cape Canaveral Air Force Station in Florida. 
  • The US Air Force Research Laboratory tested a laser system called Self-Protect High Energy Laser Demonstrator (SHiELD) at the US Army’s White Sands Missile range in New Mexico which successfully shot down multiple air-launched missiles while in flight.The system is designed for the purpose of protecting the aircraft from incoming surface-to-air and air-to-air launched missiles. 
  • The Chhattisgarh police for the first time has inducted women commandos in the District Reserve Guard (DRG), its frontline anti-Naxal force. Comprising 30 women led by Deputy Superintendent of Police (DSP) Dineshwari Nand, have received extensive training in jungle combat. 
  • The Indian Army is commemorating this year as the ‘Year of Next of Kin’ and plans to reach out to the next of kin of battle casualties, ex-servicemen and serving soldiers to inform them of entitled financial benefits, welfare schemes and help resolve pension-related pro kiblems. The Directorate of Indian Army Veterans will be the nodal agency.
  • India successfully conducted the flight test of ABHYAS - High-speed Expendable Aerial Target (HEAT) from a test range in Odisha. 
  •  The Indian Navy's first full-fledged Services Selection Board (SSB) was inaugurated by Navy Chief Admiral Sunil Lanba at Diamond Harbour near Kolkata, West Bengal. 
  • The Indian Navy has successfully test-fired a Medium Range Surface to Air Missile (MRSAM), achieving a significant milestone to enhance its anti-air warfare capability.
  • The Indian Coast Guard ship (ICGS) Vigraha was decommissioned at Visakhapatnam, Andhra Pradesh. It is a frontline offshore patrol vessel (OPV). 
  • The 26th Edition of Singapore India Maritime Bilateral Exercise (SIMBEX)-19 has commenced in the South China Sea. In addition to IN Ships Kolkata and Shakti, Long Range Maritime Patrol Aircraft P8I will also participate in the exercise.
  • Indian Space Research Organisation (ISRO) has successfully launched the 'RISAT-2B'Satellite from the Sriharikota's, Satish Dhawan Space Centre, SHAR. The RISAT-2B is a radar imaging earth observation satellite, weighing about 615 kg. The satellite is intended to provide services in the field of agriculture, forestry and disaster management. 
  • Indian Air Force successfully fired the BrahMos air version missile from its frontline Su-30 MKI fighter aircraft. The air-launched BrahMos missile is a 2.5-ton supersonic air to surface cruise missilewith ranges of close to 300 km, designed and developed by BAPL. 
  • Flight Lieutenant Bhawana Kanth became the first woman pilot of the Indian Air Force to qualify to undertake missions by day on a fighter aircraft. 
  • U.S. Navy ships conducted joint drills with warships from allies Japan, Australia and South Korea in their first combined exercise in the Western Pacific.
  • National Security Advisor Ajit Doval has stated that technology will play a pivotal role in guarding the borders in days to come as security challenges are increasing day by day. Doval was addressing 17th Investiture Ceremony of Border Security Force, BSF in New Delhi.
  • Defence Research and Development Organisation (DRDO) has successfully test-fired an indigenously-developed 500 kg class guided bomb from a Sukhoi combat jet at Pokhran in Rajasthan.
  • NASA unveiled the calendar for the “Artemis” program that will return astronauts to the Moon for the first time in half a century, including eight scheduled launches and a mini-station in lunar orbit by 2024. The original lunar missions were named for Apollo – Artemis was his twin sister in Greek mythology, and the goddess of hunting, wilderness, and the Moon.
  • The DRDO successfully test-fired the new version of the Akash surface-to-air defence missile system with a new indigenously-developed seeker in Balasore off the Odisha coast.