Drawings by ship type:

Aircraft Carrier
Airship
Amphibious Warfare
Battlecruiser
Battleship
Cargo Ship
Coastal Defence Vessel
Corvette
Cruiser
Destroyer
Fast Attack Craft
Frigate
Icebreaker
Naval Auxiliary
Passenger Ship
Patrol Vessel
Research Vessel
Sailing Vessel
Spacecraft
Submarine
Yacht

Drawings:

Fast Battleship Study Design 2 2
Fast DE concept as of 1964-06-05
FFG(X) Constellation
Five-inch Cruiser (8100-ton)
Flight Deck Cruiser
Flower US version proposal
Fort Island
General Dynamics Multi-Mission Combatant
Gibbs & Cox Design B
Gibbs & Cox Design D
Gibbs & Cox International Frigate
Grumman 70-knot Hydrofoil Design M165
Grumman Santa Fe Air-capable Spruance design
Heavy Cruiser 1938 Eight-inch proposal
Heavy Cruiser 1938 Twelve-inch proposal
Holland U.S. Coast Guard cutter proposal
Huntington Ingalls Future Surface Combatant
Iowa carrier conversion proposal
Iowa Commando Refit Scheme
Iowa guided missile battleship proposal Alternate 4A 'AEGIS'
Iowa guided missile battleship proposal Alternate 4A 'Fireworks'
Iowa King/Nimitz modification proposal
Iowa MACK Guided Missile Battleship Conversion Scheme 1 (SCB 173)
Iowa Phase II Refit 1981
Iowa Phase II Refit 1982