 In charge of troop deployment during the first days on Saipan when furious Jap resistance was met, the 25-year-old major went 84 hours without sleep, eating only cans of C rations, spooned out to him while he telephoned.Nerve center of a specialized landing team, he kept its scattered parts united into one hard-hitting, ever-advancing fighting force.If any one man was indispensable in those days when victory hung in the balance, Maj. Davidson was."