Mark 39 (nuclear weapon)
Jump to navigation
Jump to search
Mark 39 (nuclear weapon) [r]: U.S. thermonuclear weapon, derived from the Mark 15; 700 built between 1957 and 1959, retired between 1962 and 1966; 3 and 4 Mt versions; fuzed for airburst, contact and low-level retarded laydown; safety improved but still alleged to have come close to explosion in 1961 after an aircraft accident [e]
This article contains just a definition and optionally other subpages (such as a list of related articles), but no metadata. Create the metadata page if you want to expand this into a full article.