Here you can find information on the Crisher and Souva naval data set. For any questions about the data set, please contact me. The Crisher-Souva naval dataset v2.0 is now available!
The Harvard Dataverse for the Crisher and Souva (2026) dataset can be found HERE. Those who use the naval dataset should use v2.0 moving forward. The updated dataset corrected errors from the v1.0 dataset. 
If you use the dataset, the please cite it as:​

• Crisher, Brian Bejamin and Mark Souva. "Power at Sea 2.0: Naval Power Data 1865-2025." Forthcoming. International Interactions.
• Crisher, Brian and Mark Souva. 2014. "Power at Sea: A Naval Power Dataset, 1865-2011." International Interactions 40(4): 602-629.