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'''TR | '''TR steel alloy''' is a type of building material used by the [[UNSC]] for large [[warship]]s. | ||
== Background == | == Background == | ||
TR steel alloy is used to build the superstructure of the ship before it is plated with [[ | TR steel alloy is used to build the superstructure of the ship before it is plated with [[vanadium steel]] and, eventually, [[Titanium-A]] battleplate. | ||
A curious feature of TR steel alloy is that, as it is exposed to solar radiation over time, it gradually turns from silver to white. It is easy to tell a ship's age by the color of the TR steel in its superstructure<ref>'''[[Halo: Ghosts of Onyx]]''', ''page 52''</ref> | A curious feature of TR steel alloy is that, as it is exposed to solar radiation over time, it gradually turns from silver to white. It is easy to tell a ship's age by the color of the TR steel in its superstructure.<ref>'''[[Halo: Ghosts of Onyx]]''', ''page 52''</ref> | ||
==List of appearances== | |||
*''[[Halo: Ghosts of Onyx]]'' {{1st}} | |||
==Sources== | ==Sources== | ||
<references/> | <references/> | ||
[[Category:Materials]] | [[Category:Materials]] |