<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31428685</termId><termName>combat helmets</termName><termType>PT</termType><termNote><![CDATA[ In modern warfare, helmets for military use, especially those intended for the battlefield. Originally of metal, today also of Kevlar; usually provided with a suspension system or liner and chin strap. ]]></termNote><termCreatedDate>2026-03-30 20:55:39</termCreatedDate><relation><relationType>UF</relationType><termId>31428686</termId><termName>combat helmet</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31428687</termId><termName>helmets, combat</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31399189</termId><termName>body armor for the head</termName><termType>PT</termType></relation></term>  </Zthes>