Soldiers cross Delaware River with pontoon bridge

Title card: "Modern soldiers cross historic Delaware on foot - US engineers run across river on latest pontoon span at spot where Washington's men used boats" / In unison, men lift a portion of a pontoon bridge and lower the segments into and across the Delaware River from riverbank / A man at the end of the pontoon fastens it to a tree / An unidentified man speaks with the bridge behind him and men running across the bridge / Title card: "How they do it under fire" / (The same footage is speeded up) / Note: exact month/day not known