Section III. OPERATION UNDER UNUSUAL CONDITIONS2-4. OPERATING UNDER UNUSUAL CONDITIONS. Operation under unusual conditions includes deployment in inclement weather and retrieval in emergency conditions. When operating in unusual conditions it may be necessary to use longer stakes to accommodate soil or other varying conditions. Additional stake NSNs can be found in Appendix E, Additional Authorization List. WARNINGWhen using an ULCANS multi-screen configuration (of 8 ft high or more), camouflage screens can be blown down when winds exceed 46 miles per hour. Damage to equipment may result. When winds in excess of 46 miles per hour are expected, screens shall be lowered and secured. When heavy freezing rain, sleet or snow is expected or occurring, screens shall be lowered and secured. CAUTIONIn desert environments, the support poles and metal stakes left in direct sunlight can become extremely hot to touch. Wear gloves to prevent burns. a. Inclement Weather. (1) When high winds in excess of 46 miles per hour are occurring or are expected, the ULCANS should be lowered and secured. During gusty windy conditions frequent checks should be made to ensure that stakes and tiedown points remain secure to prevent billowing and sagging. (2) When heavy freezing rain, sleet or snow is expected or occurring, screens shall be lowered and secured. During inclement weather conditions such as snow, rain, and sleet, more frequent checks should be made for signs of stress or strain. b. Emergency Retrieval: (1) Remove camouflaged item(s)/vehicle from underneath ULCANS prior to retrieval when possible. If removal is not possible and separation of multiple screens is not required, then support poles and shape disrupters should be removed from underneath and away from camouflaged item(s)/vehicle to prevent damage or injury to personnel during retrieval. Remove all ground stakes. On large vehicles such as trucks, tanks, Patriot Missile system, or Stinger Man-Pads, etc. it may be easier to keep ULCANS pre-attached, rolled, and secured to the top or side of vehicle. TM 5-1080-250-12&P2-18
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