What two-word nickname is given to precision-guided bombs designed to destroy deep underground command centers?

What two-word term describes large animals hunted for sport? What two-word term describes someone who gives a kidney or part of a lung for transplant? What two-word slang term for someone out of touch with reality was also what Tom Corbett was in a 1950s TV title? What two-word term covers punishments such as spanking a misbehaving child? What two-word term describes the U.S. population surge from 1946 to 1964? What two-word term names the long retreat, about 6,000 miles, begun by China's communist Red Army in 1934? What two-word term names the era that began in 1957 with the launch of Sputnik? What two-word term names the largest, main tent of a circus?