parachute – n. a piece of equipment usually made of cloth that is fastened to people or things and that allows them to fall slowly and land safely after they have jumped or been dropped from an aircraft

uniform – n. a special kind of clothing that is worn by all the members of a group or organization

promotion – n. the act of moving someone to a higher or more important position or rank in an organization

cadet –n. a student at a military school preparing to become an officer

encourage – v. to make someone more determined, hopeful, or confident

strive – v. to try very hard to do or achieve something