700 Fathoms

a solid transparent object with angles that split light into different colors

to swing or move back in forth at a regular rhythm

a boat for carrying people or things, usually by a schedule

a scientist who studies the ocean

what is left of something; the remains of something

a quantity of explosive materials

a time of heightened political tension between the United States and the Soviet Union

a large number of ships

to use, make use of something; often used in a negative sense

secret; something people outside of the government were not allowed to know about