one o'clock in the afternoon
The air became noisy with planes as the Military Air Transport Command began ferrying in troops . Flight after flight of huge transports roared in for a landing at the Calor airport , discharged the soldiers , and took off again at once . And still the diamond hunt continued . Then , at one o'clock in the afternoon , Hartson Brant called a halt . `` The magma 's moving up through the dike , '' he reported . `` It 's now or never . Captain Montoya , we will ask the troops to clear the area .