Though napalm had been used during World War II, it was dropped much more frequently during the Vietnam War. Essentially jellied gasoline, napalm sticks to skin on contact and burns off flesh.

The World War II-era U.S. Army needed a flame-throwing chemical that could actually be shot over a long distance and burn longer. Harvard's chemistry department gave the answer.

Napalm is one of those American inventions that you wish weren’t, sort of like Agent Orange, killer drones, ... How is it related, if at all, to the flame-throwers of World War II?

When he looks back on the intensity of protests against Dow Chemical Co., the maker of napalm from 1965 to 1969, Pratt says, "there's something grotesque in what napalm does to people.

The United States used napalm during World War II and the Korean War, supplied it to France during the French-American War, and continued to employ it during the American War (1954‒1975). President Ho ...

In World War II, much of napalm’s impact was in Japan, where there wasn’t much opportunity for correspondents to report on what was happening at the time, because they couldn’t go there.

A Small Chemical Company Napalm had been used before, most notably in the incendiary bombs that devastated large swaths of Japanese cities during World War II, including some 60 percent of Tokyo.

Attitudes shaped by World War II were not always a good fit in the Vietnam era. Decisions that might have previously gone unchallenged now generated substantial protest.