Characteristics & Designations Archive
This contains the 1949 Naval Vessel Register, the 1911, 1912, 1914, 1916, 1920, 1921 and 1922 Ships' Data editions, plus NAVSHIPS 250-10/11/12 dated 15 April 1945 which covers the entire USN as of 1945.
Ground Vehicles, ranging from tactical trucks to armored fighting vehicles (AFVs).
Essentially the old AlternateWars.com “Standard Aircraft Characteristics Archive”, but expanded.
This will contain data relating to weapons (missiles, rockets, bombs, etc).