cloth canopy which fills with air and allows person or heavy object attached to it to descend slowly when dropped from aircraft. Cloths with strings for jumping from planes safely. To jump from a plane while attached to a parachute.

object which is forcibly propelled at target, either by hand or from mechanical weapon. Weapons that are thrown, shot or launched.

action taken to counteract danger or threat. An action taken to offset another action.

extreme anxiety or sorrow. cause distress to.

measurement from end to end. Measurements of distance or of time.

coat with layer of metal.

imparting or exchanging of information. Talking to people; giving information to people.

person, object, or place selected as aim of attack. Groups you are trying to sell to or influence. To try to influence; direct a message toward.

used to emphasize accuracy of figure or description.

person who carries out academic or scientific research.

small book with blank or ruled pages for writing notes in.

explosive head of missile, torpedo, or similar weapon. Part of the missile that contains the explosive.

(of sentence) imposed by judge or court but not enforced as long as no further offence is committed within specified period. To stop something for a period of time; interrupt.

Act of entering into or through something.

aeroplane, helicopter, or other machine capable of flight.