Everything about INS Kalvari

INS Kalvari • INS Kalvari is a Scorpene-class submarine described as a “deadly predator”. • It is one of six built by Mazagon Dock Limited in Mumbai as a part of Project-75 of the Indian Navy. • Kalvariis a potent Man o’ War capable of undertaking offensive operations spanning across the entire spectrum of Maritime Warfare. • Kalvari is named after a deep sea tiger … Continue reading Everything about INS Kalvari

Everything about Mi8 Helicopter

• Indian Air Force is phasing out the Mi-8 helicopters. • Mi-8 helicopter has been used in numerous operations, missions, expeditions and movements conducted by IAF. • Most of the Indian Air Force Officials have called the helicopter ‘iconic’. Mi-8 helicopters • They are a utility and medium sized assault helicopter. Induction in IAF • In 1972, they were inducted in IAF from erstwhile USSR. … Continue reading Everything about Mi8 Helicopter

Everything about Missiles

What is a missile? A missile is essentially a sophisticated bomb which after being released is governed by the laws of ballistics. The laws of ballistics means only the force of gravity acts upon it. It can be made more accurate and faster by attaching a propulsion system to the bomb and then it is called a rocket. If guided and controlled, a rocket can … Continue reading Everything about Missiles

Everything about Aerial Refueling

Air to air refuelling It is also known as Aerial refuelling, air refuelling, in-flight refuelling and tanking. It is the process of transferring aviation fuel from one military aircraft to another during flight. During air-to-air refuelling, both aircraft must maintain accurate flying parameters. The two main refuelling systems are: Probe-and-drogue: It requires exceptional flying skills as the receiving aircraft has to accurately insert the receptacle probe … Continue reading Everything about Aerial Refueling

Everything about Brahmos

Brahmos: • It is a medium-range ramjet supersonic cruise missile that can be launched from submarine, ships, aircraft or land. • It is a joint venture between the Russia’s NPO Mashinostroeyenia and India’s Defence Research and Development Organisation. • It has derived its name from the names of two rivers, the Brahmaputra of India and the Moskva of Russia. Speed: • It travels at the … Continue reading Everything about Brahmos


TRAPPIST-1: It is an ultra-cool dwarf star about 40 light years away, located in the constellation Aquarius. It is named after the telescope that discovered this system – TRAPPIST (Transiting Planets and Planetesimals Small Telescop) in Chile. The planets have sizes and masses comparable to the Earth and Venus. It is an ultra-cool star (unlike our sun). Therefore, liquid water could survive on planets very … Continue reading TRAPPIST-1:

How is atomic bomb different from hydrogen bomb?

How is atomic bomb different from hydrogen bomb? A hydrogen bomb, also called a thermonuclear bomb or an H-bomb. It is far more powerful than the relatively simple atomic weapons. It uses a second stage of reactions to magnify the force of an atomic explosion. The second stage is fusion. Fusion is mashing hydrogen atoms together in the same process that fuels the sun. When … Continue reading How is atomic bomb different from hydrogen bomb?