( Editor's note: This story was updated on March 29 to note the $11.2 billion figure includes planned spending for both offensive and defensive capabilities.) The Pentagon will nearly double its planned investments in hypersonic capabilities over the next five years, from $6 billion to $11.2 billion, a sum higher than one of the Defense Department's top hypersonics officials recently cited because it reflects planned spending on both offensive and defensive capabilities. Michael Griffin, under secretary of defense for research...