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![Robert Hartong, Optics Lab journeyman, cleans a wind sendor for a Light Armored Vehicle-25 as part of the repair process for the optical components of the LAV-25 at the Optics Lab located Robert Hartong, Optics Lab journeyman, cleans a wind sendor for a Light Armored Vehicle-25 as part of the repair process for the optical components of the LAV-25 at the Optics Lab located](https://l450v.alamy.com/450v/md7f0w/robert-hartong-optics-lab-journeyman-cleans-a-wind-sendor-for-a-light-armored-vehicle-25-as-part-of-the-repair-process-for-the-optical-components-of-the-lav-25-at-the-optics-lab-located-at-production-plant-barstow-marine-depot-maintenance-command-on-the-yermo-annex-aboard-marine-corps-logistics-base-barstow-calif-march-28-the-artisans-at-the-optics-lab-ensure-that-the-optical-components-meet-critical-parameters-in-order-to-make-certain-that-the-equipment-is-accurate-in-the-field-md7f0w.jpg)