![U.S. Marine Corps Lance Cpl. D'kota Hernandez, a radio operator, adjusts an antenna on Luke Air Force Base, Arizona. Marines with 2nd Transportation Battalion, Combat Logistics Regiment 2, 2nd Marine Logistics Group U.S. Marine Corps Lance Cpl. D'kota Hernandez, a radio operator, adjusts an antenna on Luke Air Force Base, Arizona. Marines with 2nd Transportation Battalion, Combat Logistics Regiment 2, 2nd Marine Logistics Group](https://c8.alamy.com/comp/2GKKNYY/us-marine-corps-lance-cpl-dkota-hernandez-a-radio-operator-adjusts-an-antenna-on-luke-air-force-base-arizona-marines-with-2nd-transportation-battalion-combat-logistics-regiment-2-2nd-marine-logistics-group-conducted-a-convoy-across-the-united-states-starting-in-camp-lejeune-north-carolina-in-one-of-the-longest-convoys-in-recent-marine-corps-history-marines-on-the-convoy-experimented-with-long-range-communications-as-far-away-as-marine-corps-air-ground-combat-center-twentynine-palms-california-the-half-way-point-on-the-route-2GKKNYY.jpg)
U.S. Marine Corps Lance Cpl. D'kota Hernandez, a radio operator, adjusts an antenna on Luke Air Force Base, Arizona. Marines with 2nd Transportation Battalion, Combat Logistics Regiment 2, 2nd Marine Logistics Group
![U.S. Marine Corps Lance Cpl. Joseph Walter, field radio operator, Headquarters and Service Company, 1st Combat Engineer Battalion (CEB), 1st Marine Division, tightens barbed wire to a log post during Mountain Training U.S. Marine Corps Lance Cpl. Joseph Walter, field radio operator, Headquarters and Service Company, 1st Combat Engineer Battalion (CEB), 1st Marine Division, tightens barbed wire to a log post during Mountain Training](https://c8.alamy.com/comp/R8YPD6/us-marine-corps-lance-cpl-joseph-walter-field-radio-operator-headquarters-and-service-company-1st-combat-engineer-battalion-ceb-1st-marine-division-tightens-barbed-wire-to-a-log-post-during-mountain-training-exercise-mtx-2-17-at-the-marine-corps-mountain-warfare-training-center-bridgeport-calif-mar-16-2017-1st-ceb-completed-the-final-exercise-of-mtx-2-17-a-three-part-cycle-consisting-of-avalanche-initiation-ice-breaching-obstacle-emplacement-and-tree-cutting-using-explosives-R8YPD6.jpg)
U.S. Marine Corps Lance Cpl. Joseph Walter, field radio operator, Headquarters and Service Company, 1st Combat Engineer Battalion (CEB), 1st Marine Division, tightens barbed wire to a log post during Mountain Training
![File:An Afghan National Army radio operator with the 6th Kandak, 1st Brigade, 205th Corps communicates with his team during a joint combined patrol with Afghan National Police officers in Panjwai district in File:An Afghan National Army radio operator with the 6th Kandak, 1st Brigade, 205th Corps communicates with his team during a joint combined patrol with Afghan National Police officers in Panjwai district in](https://upload.wikimedia.org/wikipedia/commons/thumb/e/ef/An_Afghan_National_Army_radio_operator_with_the_6th_Kandak%2C_1st_Brigade%2C_205th_Corps_communicates_with_his_team_during_a_joint_combined_patrol_with_Afghan_National_Police_officers_in_Panjwai_district_in_southern_120401-N-BS894-103.jpg/1280px-thumbnail.jpg)
File:An Afghan National Army radio operator with the 6th Kandak, 1st Brigade, 205th Corps communicates with his team during a joint combined patrol with Afghan National Police officers in Panjwai district in
![A U.S. Marine radio operator with Charlie Company, 1st Battalion, 8th Marine Regiment, 2nd Marine Division (MARDIV), gets clearance over the radio before breaching the barbed wire fence in a mechanized assault A U.S. Marine radio operator with Charlie Company, 1st Battalion, 8th Marine Regiment, 2nd Marine Division (MARDIV), gets clearance over the radio before breaching the barbed wire fence in a mechanized assault](https://c8.alamy.com/comp/PE9A9N/a-us-marine-radio-operator-with-charlie-company-1st-battalion-8th-marine-regiment-2nd-marine-division-mardiv-gets-clearance-over-the-radio-before-breaching-the-barbed-wire-fence-in-a-mechanized-assault-during-integrated-training-exercise-1-16-aboard-marine-corps-air-ground-combat-center-twentynine-palms-calif-oct-27-2015-marines-participate-in-a-month-long-field-exercise-demonstrating-core-mission-essential-tasks-by-conducting-offensive-defensive-and-stability-operations-using-combined-arms-air-integration-and-battalion-level-infantry-tactics-in-order-to-strengthen-operationa-PE9A9N.jpg)
A U.S. Marine radio operator with Charlie Company, 1st Battalion, 8th Marine Regiment, 2nd Marine Division (MARDIV), gets clearance over the radio before breaching the barbed wire fence in a mechanized assault
![A field radio operator assigned to the Western Army Infantry Regiment, Japan Ground Self Defense Force, relays orders to his squad, during a live-fire platoon level assault during Exercise Iron Fist 2016 A field radio operator assigned to the Western Army Infantry Regiment, Japan Ground Self Defense Force, relays orders to his squad, during a live-fire platoon level assault during Exercise Iron Fist 2016](https://c8.alamy.com/comp/PF1T10/a-field-radio-operator-assigned-to-the-western-army-infantry-regiment-japan-ground-self-defense-force-relays-orders-to-his-squad-during-a-live-fire-platoon-level-assault-during-exercise-iron-fist-2016-aboard-marine-corps-air-ground-combat-center-twentynine-palms-feb-9-2016-iron-fist-is-an-annual-bi-lateral-training-exercise-between-the-japan-ground-self-defense-force-and-marines-to-strengthen-warfighting-capabilities-in-ship-to-shore-operations-PF1T10.jpg)