<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31392212</termId><termName>boosters</termName><termType>PT</termType><termNote><![CDATA[ Auxiliary or initial propulsion systems for aircraft, missles, or spacecraft which may or may not separate from the parent craft when their fuel has been consumed. ]]></termNote><termCreatedDate>2026-03-30 20:45:27</termCreatedDate><relation><relationType>UF</relationType><termId>31392213</termId><termName>booster</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31392214</termId><termName>booster rockets</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31392215</termId><termName>rockets, booster</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31354251</termId><termName>aerospace equipment</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31423256</termId><termName>launch vehicles</termName><termType>PT</termType></relation></term>  </Zthes>