[mis-uh l-muh n or, esp. British, -ahyl-]
noun, plural mis·sile·men.
  1. a person who builds, designs, launches, or operates guided missiles.
  2. a technician or scientist whose work pertains to missilery.

Origin of missileman

First recorded in 1950–55; missile + -man
Also called missileer.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018