SIOP

[ sahy-op ]

noun
  1. (formerly) the secret and central U.S. contingency plan for waging a nuclear war with the Soviet Union.

Origin of SIOP

1
s(ingle)i(ntegrated)o(perations)p(lan)

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024