Okla. Stat. tit. 44, § 3358
Any person subject to this code who:
2. Without proper authority, knowingly harbors or protects or gives intelligence to, or communicates or corresponds with or holds any intercourse with the enemy, either directly or indirectly,
shall be punished as a court-martial may direct.
Laws 2007, SB 1026, c. 86, § 115, eff. November 1, 2007.