Chinese Stealth Tech- many think China borrowed fighter technology. I also think it would be foolish not to use proven ideas. Plus if your designs can be taken the only main advantages are strategy and training. This where the majors have the edge.
Ammunition Size Chart by Claveworks on DeviantArt
Ammunition Size Chart - Selected rounds from the other charts, and one extra one. Updated to new arrangement and all rounds completely redrawn Aug 2106. Ammunition Size Chart
A Couple of Simple Ammo Comparison Charts
Sometimes it helps to have a visual comparison of different ammo calibers and sizes, especially when you're looking at purchasing a firearm in a caliber you're not familiar with. These pictures should be helpful. More ammo caliber and size comparison charts Rimfire Ammo Cartridges ID and Comparison Rim-Fire
Ammo Chart 30mm Part 4 by Claveworks on DeviantArt
Ammunition Chart for 30mm rounds Part 4 30mm x 173mm Armour Piercing Incendiary - 1970 > Present USA 30mm x 173mm Armour Piercing Incendiary DU - 197... Ammo Chart 30mm Part 4
Ilustración para conocer los aviones nazis
Durante la batalla de Inglaterra las autoridades británicas distribuyeron ilustraciones informativas para que la población pudiera distinguir a los aviones enemigos.