Stockings for the war

Apparently, Uncle Sam is in need of you stockings, but not for wearing, oh no.
In 1942, depots appeared everywhere appealing to women to dump their used stockings to help against the enemy.
How would they help, I hear you ask? Well, for converting into powder bags which were used to propel missile projectiles in US Navy Guns of course.
Charming isn't it? Well, I just had to tell you. Have a great tuesday night!