THURSDAY, MARCH 12, 1942New setup eliminates branches of infantry, artillery, and cavalry, puts them together under one general.Supply service relieves, fighting forces of the bothersome detail worries of procurement, housekeeping. .Airforcegetsfullautonomy.equaiitywithground branch*Butjointtrain-mg and fightingis pianned.Secretary of War Stimson, explaining the army reorganization charted here, explains that although the air force and ground force for the Army within the United States are separate, they will merge into “cohesive fighting teams'1 when sent Into action after joint training for a definite task In a “theater of operation/' Stimsun will work with Marshall In delegating details of organization, administration and training.