![Marines with the Force Reconnaissance Company, III Marine Expeditionary Force stationed at Camp Schwab in Okinawa, Japan run though their Jump Master Parachute Inspections (JMPIs) at IDIS-Corps facility in Parker, Ariz., from Marines with the Force Reconnaissance Company, III Marine Expeditionary Force stationed at Camp Schwab in Okinawa, Japan run though their Jump Master Parachute Inspections (JMPIs) at IDIS-Corps facility in Parker, Ariz., from](https://c8.alamy.com/comp/MT6KB6/marines-with-the-force-reconnaissance-company-iii-marine-expeditionary-force-stationed-at-camp-schwab-in-okinawa-japan-run-though-their-jump-master-parachute-inspections-jmpis-at-idis-corps-facility-in-parker-ariz-from-july-12-to-august-1-2017-the-marines-conducted-high-altitude-high-opening-haho-sustainment-training-while-implementing-the-joint-precision-air-drop-system-jpads-during-jmpis-the-jumpmaster-checks-the-jumpers-oxygen-mask-is-properly-working-and-checks-gear-and-ensures-everything-is-in-position-and-ready-for-the-parachutes-release-MT6KB6.jpg)
Marines with the Force Reconnaissance Company, III Marine Expeditionary Force stationed at Camp Schwab in Okinawa, Japan run though their Jump Master Parachute Inspections (JMPIs) at IDIS-Corps facility in Parker, Ariz., from
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![A Marine with the Maritime Raid Force, 11th Marine Expeditionary Unit, receives a pre-combat inspection of his oxygen mask for a night high-altitude high-opening (HAHO) parachute operation during Realistic Urban Training (RUT) A Marine with the Maritime Raid Force, 11th Marine Expeditionary Unit, receives a pre-combat inspection of his oxygen mask for a night high-altitude high-opening (HAHO) parachute operation during Realistic Urban Training (RUT)](https://c8.alamy.com/comp/R2RYEP/a-marine-with-the-maritime-raid-force-11th-marine-expeditionary-unit-receives-a-pre-combat-inspection-of-his-oxygen-mask-for-a-night-high-altitude-high-opening-haho-parachute-operation-during-realistic-urban-training-rut-exercise-at-marine-corps-air-station-yuma-ariz-nov-6-2018-a-haho-jump-is-a-clandestine-procedure-that-marines-can-conduct-when-it-is-crucial-for-the-jumpers-to-maintain-a-level-of-secrecy-R2RYEP.jpg)