Footage of the United States submarine squadron on manoeuvres.
Item title reads - Uncle Sam's subs. Striking pictures of Submarine Squadron during manoeuvres. America (U.S.A.).
M/S of the submarine sailing along. M/S as they begin to submerge, M/S of one of the submarines with just its tower visible. M/S of the front of the boat from on deck, it starts to disappear underneath the water. M/S of the submarines coming up out of the water.