acronym – n. a word formed from the first letters of each one of the words in a phrase

ballistic missile – n.  a weapon that is shot through the sky over a great distance and then falls to the ground and explodes

intercept – v. to stop and take someone or something that is going from one place to another place before that person or thing gets there

sanctions – n. actions taken or orders given to force a country to obey international laws by limiting or stopping trade with that country, by not allowing economic aid for that country, etc.