Definition
A ballistic missile with a range generally between approximately 1,000 and 3,000 nautical miles, designed to follow an unpowered, free-falling trajectory after the boost phase of flight. It is launched on a high arc, climbs above the atmosphere, and re-enters to strike its target.
Plain English
A long-range military missile that flies on a curved path. After its rocket motor burns out, it coasts up and falls back down to its target, with a flight range somewhere between short-range battlefield missiles and full intercontinental missiles.
Context Anchor
Pilots may see this term in military, air defense, missile test, or airspace warning information.
Derivation
Intermediate-range places it between short-range and intercontinental missiles in flight distance. Ballistic comes from the Greek ballein, meaning to throw. A ballistic path is the curved, free-falling arc taken by any thrown object once it is no longer being pushed, which is exactly what this missile does after its motor stops firing.
Why Pilots Care
Missile launches and tests can create hazardous airspace, temporary flight restrictions, route changes, or warnings that pilots must avoid.
Analogy
Think of throwing a ball very high and very far. Your arm powers the ball at first, but after release it follows an arc until it comes down. A ballistic missile works on that same basic idea, but at extreme speed and distance.
Intuition Check
“Intermediate-range” does not mean low-risk or halfway dangerous. It is a distance class: farther than short-range missiles, but not as far as the longest-range ballistic missiles.
Example Sentence 1
An intermediate-range ballistic missile bridges the gap in capability between short-range tactical weapons and intercontinental ballistic missiles.
Example Sentence 2
Strategic aircrews receive alerts when an Intermediate-Range Ballistic Missile trajectory is detected in the region.