As the Ukraine war has shown, drones equipped with thermal sensors have made the battlefield so hazardous that the best defense is not to be spotted at all.
Thus, the U.S. Marine Corps is looking for camouflage cloaks that shield wearers from prying eyes and infrared cameras, according to a Marine Corps Systems Command Sources Sought notice.
The Multispectral Camouflage Overgarment, or MCO, “is intended to provide individual signature management for Marines by mitigating detection across the visual (VIS), near infrared (NIR), and short-wave infrared (SWIR) spectrums as well as suppress thermal signatures in the mid-wave infrared (MWIR) and long wave infrared (LWIR) to reduce the likelihood of detection by thermal sensors,” the notice notes. The deadline is April 22.
The Marines want 13,000 cloaks by 2027, and 61,000 by 2030.
“MCO will serve as the individual signature management solution for all Marines in training and on deployment,” according to the notice. “The system is not intended for routine garrison wear.”
The notice includes a table that lists various nondetection thresholds depending on the wearer’s distance from the sensor, the type of sensor and whether the sensor is on the ground or in the air. For example, the cloak should preclude daytime visual detection from a ground-based sensor at a minimum of 600 meters, and ideally at 50 meters. For an aerial sensor, such as on a drone, the minimum is 1,000 meters, with an eventual goal of 10 meters.
For mid-wave infrared sensors, the cloak should mask wearers at a minimum of 2,000 meters, and ideally at 600 meters. Against aerial MWIR sensors, the MCO should provide camouflage at a minimum of 5,000 meters — more than 3 miles — and ideally at 2,000 meters.
The notice describes the MCO as “a single-piece, generously-sized draped design constructed to provide full-body coverage, including individual gear and equipment. It shall be donned and doffed over existing uniforms and gear within 15 seconds.”
The garment should be sturdy enough to last 90 days to one year of use, and withstand laundering up to 50 times. It should weigh no more than 3.5 pounds, and preferably less than 2 pounds.
Britain’s Royal Marines are already using the Barracuda cloak from Swedish manufacturer Saab. Meanwhile, Russian troops have frequently used thermal cloaks to camouflage themselves against omnipresent Ukrainian drones equipped with heat sensors.
However, the Russian experience also illustrates the danger of using cheap, poorly designed cloaks. In some cases, the garments have actually made the wearers more conspicuous, by contrasting them as cold spots against a warmer background.
Michael Peck is a correspondent for Defense News and a columnist for the Center for European Policy Analysis. He holds an M.A. in political science from Rutgers University. Find him on X at @Mipeck1. His email is [email protected].
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