After several failed attempts, the spider is eventually destroyed by a napalm attack launched from a jet fighter squadron.
But when the television images began to include body bags and terrified children fleeing napalm attacks, popular support for the war eroded, and the media grew critical.
The caterpillar destroys a cruise ship and survives a napalm attack on a beeline path for Tokyo.
Being experts at relocation, the entire chopper force was packed and gone within 45 minutes of the F-4s' attempted napalm attack.
Worse, America lost its innocence through napalm attacks, carpet bombing and the My Lai massacre.
"Of course, everyone knows about the atomic bombings, but many people are not aware of the napalm attacks at all."
Photograph of a burning girl running from a napalm attack.
Vietnam 35 years later, moving images and sounds bring home the horror of a napalm attack.
It is also capable of withstanding combat conditions, such as taking small arms fire or a napalm attack.
It was the first napalm attack during the war, he says, and it led him to question "the total goodness of a good war."