An AH-1Z Viper helicopter and two UH-1Y Venom helicopters assigned to Marine Light Attack Helicopter Squadron 269 fly over Lamar, Colorado, Nov. 12, 2021. Marines with HMLA-269 trained in a cold-weather, high-altitude environment to increase proficiency in expeditionary advanced basing operations. HMLA-269 is a subordinate unit of 2nd Marine Aircraft Wing, the aviation combat element of II Marine Expeditionary Force. - An AH-1Z Viper helicopter and two UH-1Y Venom helicopters assigned to Marine Light Attack Helicopter Squadron 269 fly over Lamar, Colorado, Nov. 12, 2021. Marines with HMLA-269 trained in a cold-weather, high-altitude environment to increase proficiency in expeditionary advanced basing operations. HMLA-269 is a subordinate unit of 2nd Marine Aircraft Wing, the aviation combat element of II Marine Expeditionary Force.