Demo
    A group of men in suits and ties are gathered around a console in a control room, discussing a complex technical issue. One man is holding a large diagram while others listen attentively.
    Deke Slayton, center, director of flight crew operations, explains to NASA officials how a lithium hydroxide canister aboard the command module could be adapted to remove excess carbon dioxide from the Apollo 13 lunar module cabin. The emergency was depicted in the movie “Apollo 13.”