![File:US Navy 100610-N-4774B-188 Mass Communication Specialist 2nd Class Arif Patani conducts a combat crawl along a rope as part of an obstacle course at Naval Amphibious Base Coronado.jpg - Wikimedia Commons File:US Navy 100610-N-4774B-188 Mass Communication Specialist 2nd Class Arif Patani conducts a combat crawl along a rope as part of an obstacle course at Naval Amphibious Base Coronado.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/c/c4/US_Navy_100610-N-4774B-188_Mass_Communication_Specialist_2nd_Class_Arif_Patani_conducts_a_combat_crawl_along_a_rope_as_part_of_an_obstacle_course_at_Naval_Amphibious_Base_Coronado.jpg)
File:US Navy 100610-N-4774B-188 Mass Communication Specialist 2nd Class Arif Patani conducts a combat crawl along a rope as part of an obstacle course at Naval Amphibious Base Coronado.jpg - Wikimedia Commons
General configuration of the crawler crane (Sumitomo, operation manual)... | Download Scientific Diagram
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