WW2 Pacific campaign rucksack used by both the U.S. Marines and U.S. Army starting in 1943. Very strong 'tent' canvas in the 'Frog Skin' camo pattern. Features one main , and one tent flap compartment, similar to the earlier Model 1942 U.S. Army rucksack. A very rare backpack in today's surplus circles, this one will save you a bundle! A perfect tactical stuff bag for your camping gear , for hauling serious gear in your truck, or using as a 3-day expedition pack. Also perfect for building a reenactor's uniform/gear display or impression.