<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">tank helmets</topic></authority><related type="broader"><topic>body armor for the head</topic></related><variant type="other"><topic>helmets, tank</topic></variant><variant type="other"><topic>tank helmet</topic></variant> <note xml:lang="en"><![CDATA[ Protective headwear for tank crews, in a variety of designs since the advent of the tank as a modern war machine during WWI. Meant to protect against bumps and projectiles; more recent versions are provided with fixtures for the attachment of communication devices. ]]></note></mads>