Quote:
Originally Posted by Rupert
Spaceships calls Light Alloy a TL7 armour, and has this to say about it: "This is armor made of aerospace-grade aluminum or titanium alloys.", which makes the use of such alloys for aircraft in WWII the use of a TL7 technology, so if we're just throwing quotes from random books around, that's one from a 4e source.
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Duralumin was used as far back as the armored ground attack Junkers J.I in WWI, so that can't be a defining feature.