The Skilled Veterans Corps, as they call themselves, is made up of retired engineers and other professionals, all over the age of 60. They say they should be facing the dangers of radiation, not the young.
It was while watching the television news that Yasuteru Yamada decided it was time for his generation to stand up. No longer could he be just an observer of the struggle to stabilise the Fukushima nuclear plant. The retired engineer is reporting back for duty at the age of 72, and he is organising a team of pensioners to go with him.
For weeks now Mr Yamada has been getting back in touch with old friends, sending out e-mails and even messages on Twitter.
(photo of Mr. Yamada courtesy BBC News)