North Korea Launches Powerful New Rocket

altitude – n. the height of something (such as an airplane) above the level of the sea

trajectory – n. the curved path along which something (such as a rocket) moves through the air or through space

browbeat – v. to use threats or angry speech to make (someone) do or accept something

nuke – n. informal name for a nuclear weapon

categorically – adv. to say in a very strong, clear and definite way

implement – v. to begin to do or use (something, such as a plan) : to make (something) active or effective

unified – v. past tense of joining or bringing together