W37

The XW-37 was a high yield version of the XW-31 intended for use in the Nike Hercules surface-to-air missile. Development started in January 1956. Three months later, the XW-31 was redesignated XW-31Y1 (for yield 1) and the XW-37 designation was changed to XW-31Y2 (for yield 2).With a simple name change, the designation W-37 became history, while the warhead went on to serve with the Nike Hercules until that program was ended in 1984.
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Explosion and rupture of pressurized tire, pipe, or hose