USMC adopted Extreme Cold Weather Clothing System (ECWCS) in 1985 to replace Korean War era Cold Weather (EW) Clothing. Over the last 20 years USMC made periodic low risk product changes to ...

Already in the 1980s it was suggested that aggregates, so-called “marine snow particles”, could possibly be suitable sites for N 2 fixation, and this was recently confirmed. Still, it has been ...