 How had the fusion control points been adjusted?
[Transcriber's Note: This etext was produced from Planet Stories Summer 1955. Swiftly O'Rielly unlocked the controls and reset them. "Fusion control two points low, sir." "If every control hadn't been locked in correct setting," O'Rielly answered from his own angry bewilderment, "the error would have registered before blast-off—wouldn't it, sir?" A dozen burners on this ship; why did something crazy have to happen to O'Rielly's? Ever since Venus blast-off O'Rielly had been in Four's watch room. "I threw them in there before you came on duty before blast-off," Trillium explained.
 Trillium had adjusted it when she got too heated.
 The control had reset itself in flight.  It had been moved by a scurrying three-tailed mouse of Venus  Trillium had adjusted it when she got too heated.  They were not correctly inspected and locked before blast-off.