US MUNITIONS LIST CATEGORY XX

The US Munitions List Category XX covers the following defense articles, services, and related technical data:

Submersible vessels
Oceanographic vessels
Associated equipment

If you selected Category XX on the Manage United States Munitions List screen, then you can choose the corresponding USML sub-category details from the table below

Sub-Category

An asterisk precedes certain defense articles in the following list. The asterisk means that the article is deemed to be "Significant Military Equipment" to the extent specified in § 120.7 of the International Traffic in Arms Regulations (ITAR) issued by the Department of State Directorate of Defense Trade Controls (DDTC).

Sub-Category	Description
a	(a) Submersible vessels, manned or unmanned, tethered or untethered, designed or modified for military purposes, or powered by nuclear propulsion plants.
b	* (b) Swimmer delivery vehicles designed or modified for military purposes.
c	(c) Equipment, components, parts, accessories, and attachments specifically designed or modified for any of the articles in paragraphs (a) and (b) of this category.
d	(d) Technical data (as defined in § 120.10 of this subchapter) and defense services (as defined in § 120.9 of this subchapter) directly related to the defense articles enumerated in paragraphs (a) through (c) of this category. (See § 125.4 of this subchapter for exemptions.) Technical data directly related to the manufacture or production of any defense articles enumerated elsewhere in this Category that are designated as Significant Military Equipment (SME) shall itself be designated as SME.