BETA ZEN
W40 (nuclear warhead)
Texto da Wikipédia (en), licença CC BY-SA. O BETARUBI mostra o verbete inteiro nesta página — a leitura não continua fora do site.
The W40 nuclear warhead was an American fusion-boosted fission nuclear warhead developed in the late 1950s and which saw service from 1959 to 1972.