Vocabulary

• threat to: A person or thing likely to cause damage or danger.
• know about: To have information or understanding of a subject or situation.
• in a row: One after another without a break.
• due to: Because of; owing to
• call for: To demand, need or require (an action or thing)
• aim at: To point or direct something, such as a weapon, towards a target.
• in the absence of: When someone or something is not present or available.
• going on: To continue doing something
• as soon as: In a short time after (something happens)
• off of: From a position on something; down from.
• on the ground: Located on the surface of the earth.
• in the past: During a former period of time; previously.
• sort: To organize things by putting them into groups
• general: Widespread, normal or usual
• demand: Desire customers have to buy product, service
• track: To use marks to follow a wild animal
• aisle: Long narrow space between rows of seats
• increase: To make or become larger in size or amount
• surveillance: Careful watching of a person/place, e.g. by police
• military: Army or armed forces
• similar: Nearly the same; alike
• remain: To be left behind; to continue to exist
• cause: Belief, goal or organization that people support
• direction: When someone tells people what to do
• security: Department in a company in charge of protection
• raise: To increase a bet above another when playing cards
• account: An advantage
• threat: Warning of probable trouble
• administration: Act of giving e.g. medicine to a patient
• couple: To join something to something else
• ground: To break (coffee, etc.) into tiny bits with machine
• string: To tie or connect things together with a thread
• hang: To attach a picture, photograph etc. onto a wall
• shape: The outer form of something, what it looks like
• altitude: Height of something above sea level
• correspondent: Journalist, as one reporting from other countries
• detect: To discover or identify the presence of something
• object: Something you can see or touch, but is not alive
• appear: To be seen, become visible; come into sight
• aviation: Science or practice of flying aircraft
• row: To move a boat using oars
• kind: In a caring and helpful manner
• president: Person in charge of a country, or organization
• civilian: Ordinary person who is not in the army
• information: Collection of facts and details about something
• decide: To make a choice or choose after thinking about it
• own: To have something as your property
• fill: To make something full
• find: To become aware of something that is happening
• question: To ask for or try to get information
• pose: To be or exist as (a problem, threat etc.)
• jet: Stream of liquid/gas shooting out of small opening
• balloon: Thin bag of rubber filled with air, used as a toy
• datum: Item of factual information
• northern: In or toward the north
• pentagon: A five-sided shape
• radar: Radio device used to find the location of objects
• spy: Person who gets secret information about an enemy
• authorize: To officially or legally allow or give permission
• ascertain: To try to work out or establish facts
• unmanned: Lacking a crew
• octagon: Shape with eight sides and eight angles
• null: Having no impact; ineffective; cancelled out
• unidentified: Not yet identified