US President Harry Truman officiates at the laying of the keel of the first atomic submarine in 1952

In 1952, President Harry S Truman attended the dedication of a new submarine named Nautilus, inspired by Jules Verne's fictional vessel. This marked the beginning of a new era with the construction of a radically different Nautilus. Truman expressed great satisfaction by signing the Kielblock.

In what year did President Harry S Truman appear at the dedication of the new submarine?

How many times did President Truman appear before various ships of the fleet?

What was the name of the fictitious underwater monster vessel associated with the Nautilus?

What did Mr. Truman do with the Kielblock during the dedication?

What feelings did Mr. Truman express when signing his name to the Kielblock?