Navy Hero Earns Medal of Honor

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grenade – n. a small bomb that is designed to be thrown by someone or shot from a rifle

stuff – n. informal used to refer to something when you do not need to name exactly what it is, or do not know what the name of it is

pin – v. to prevent or stop (someone or something) from moving by holding or pressing firmly against something

etch – v. to produce a pattern, design, etc., by using a powerful liquid (called an acid) to cut the surface of metal or glass; often used figuratively, as in the article above

envision – v. to think of (something that you believe might exist or happen in the future); to picture (something) in your mind