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Preliminary Design No.150 for a 32,000 ton ship with a main battery of eight 14-inch guns in four twin turrets and a maximum speed of 35 knots.
This plan was one of a series of preliminary designs exploring tradeoffs in scout cruiser capabilities.
Such "Battle Scouts" were in effect small battle cruisers. No ship was built to this design, but the later Lexington (Battle Cruiser # 1) class design was similar in hull layout.

Preliminary Design No.145 for a 35,500 ton ship with a main battery for eight 14-inch guns in four twin turrets and a maximum speed of 30 knots.
The design selected for construction of the Lexington (Battle Cruiser # 1) class followed this general layout.