31 C.F.R. § 589.302
The term arms or related materiel sector of the Russian Federation economy includes: The procurement, development, test manufacture, maintenance, upgrade and refurbishment, shipping, supply, sale, and storage to, from, within, or transiting the Russian Federation of arms or related materiel of all types, including any battle tanks, armored combat vehicles, large caliber artillery systems, combat aircraft, attack helicopters, warships, missiles or missile systems, or related materiel; critical enablers, aggregates, components, parts, as well as related documentation and instructions for such items; or training for the use of included systems, provision of simulation equipment, documentation (including training manuals, maintenance orders, or technical bulletins), prototypes, software upgrades, and licensing and manufacturing agreements for such items.
31 C.F.R. §589.302