The credits indicate that this footage is from the US Army Signal Corps.
March of Time -- outtakes -- Pope Pius XII blessing Allied troops
Pope Pius XII with an audience of American and British soldiers. The pope is carried in on a chair, preceded by Swiss guard members. He speaks to the troops in English from his chair at the front of the room (the sound is echoey and somewhat hard to hear). Shots of the soldiers listening attentively. Close views of the pope. He stands and bestows his blessings. Scenes of the pope surrounded by and chatting with soldiers. Good views of the Pope, smiling, chatting. 01:06:07 groups begins singing and he is carried out on his chair. Other cuts and camera angles. MOving shot very close through crowd of soldiers. Elevated shot of men.