The families of the crews of Challenger's STS-51L and Columbia's STS-107 missions discuss the meaning of the 'Forever Remembered' memorial. The speakers are, in order of appearance, Evelyn Husband Thompson, wife of Columbia Commander Rick Husband; Lynne Salton, sister of Columbia astronaut Laurel Clark; June Scobee Rodgers, wife of Challenger Commander Dick Scobee; and Cheryl McNair, wife of Challenger astronaut Ron McNair.
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