[20211126]IF11699_防务基础：国防部预先部署的装备.pdf

https:/crsreports.congress.gov November 26, 2021Defense Primer: Department of Defense Pre-Positioned MaterielAs part of its global posture, the U.S. military maintains war reserve materiel (WRM), which are stocks of essential items and munitions that, according to the Department of Defense (DOD), are sufficient to attain and sustain operational objectives in DOD plans. Some of this materiel, DOD states is designated pre-positioned WRM (or PWRM), which is “strategically located to facilitate a timely response during the initial phase of an operation.” PWRM is stored worldwide at or near points of planned use in specialized facilities (i.e., ashore) and dedicated ships (i.e., afloat). Why does DOD pre-position materiel? The primary purpose of PWRM is to reduce military response times and ensure timely support of operations in their initial phases, until follow-on capabilities are available and supply chains are established. PWRM, airlift, and sealift comprise the three legs of the strategic mobility triad that enables military power projection. Pre-positioning materiel reduces the demands for strategic airlift and sealift assets by locating heavy and bulky materiel closer to the the