A bill to provide for modifications to the State Partnership Program selection analysis.

S. 2599 would change the process for assigning state National Guards to new international military partnerships under the State Partnership Program. Currently, the Defense Department selects which state's National Guard will partner with foreign militaries, but this bill would require the Chief of the National Guard Bureau to consider two factors in making these selections: the number of existing partnerships already assigned to each state's National Guard, and whether a state currently has only one active international partnership. By prioritizing states with fewer existing partnerships, the bill aims to distribute international military engagements more evenly across the country rather than concentrating them in a few states. The bill would direct the Secretary of Defense to update Defense Department instructions to implement these new selection criteria. This is a technical modification to military partnership administration that would have minimal direct impact on everyday citizens, though it could affect which states' National Guard members participate in international military training and exchange programs.