Russian State Media: Ukraine tells EU leaders: Prepare for War. P. 2902 One Year Since the Invasion: A Re-cap

10 U.S. Code § 903b - Art. 103b. Aiding the enemy

Any person who—
(1)aids, or attempts to aid, the enemy with arms, ammunition, supplies, money, or other things; or
(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 suffer death or such other punishment as a court-martial or military commission may direct. This section does not apply to a military commission established under chapter 47A of this title.
(Aug. 10, 1956, ch. 1041, 70A Stat. 70, § 904; Pub. L. 109–366, § 4(a)(2), Oct. 17, 2006, 120 Stat. 2631; renumbered § 903b, Pub. L. 114–328, div. E, title LX, § 5401(5), Dec. 23, 2016, 130 Stat. 2938.)