Largest thermonuclear test by the United States, at 15 megatons. Exceeded its expected yield by a factor of 2.5, contaminated various inhabited islands, and necessitated the evacuation of an observation post.
My wife complains about the potholes on the Mountain Loop Highway just north of Barlow Pass. The road has not been maintained for some time as there is a washout about a mile past this.
Rare color footage from WWII shows the Nazis testing their experimental V-2 rocket. These rockets would later be adapted for use in the US space program and for ballistic missiles.