Why are so many US military aircraft painted grey?

Science, art and logistics all play a role in how the U.S. military paints its aircraft to be ready for battle.
insider.si.edu

Markings and camouflage systems of Luftwaffe aircraft in World War II Illustrated by the author

Translation of Markierungen und Tarnanstriche der Luftwaffe im 2. Weltkrieg https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri ...
military-stuff

When Luftwaffe Joined the Battle: The Air War Over Malta 1941

Discover the intense struggle for control of Malta during World War II in this detailed account of the Axis powers'[...] ...
Metal Detecting WWII Battlegrounds on MSN

Unearthing Buried Luftwaffe Gear From a Forgotten Dump Site

Beneath a remote forest floor lies a long-abandoned Luftwaffe dump site, untouched since WWII. Excavating the area reveals ...