Here you will find information on the Crisher-Souva naval data set.

For the 1865-2011 country-year data set, click here (Dataverse 4.0 link).

For an ungated copy of the paper click here. For a gated version of the paper click here.

The proper citation for those using the data set is:
Crisher, Brian and Mark Souva. 2014 “Power at Sea: A Naval Power Dataset, 1865-2011” International Interactions. 40(4) 602-629.

Any errors or questions about the data set should be directed towards Brian Crisher.