SpaceX Starbase is located adjacent to Boca Chica Beach on the Texas side of the Rio Grande, and the Starbase launch facility operates under contracts with the U.S. Department of Defense and NASA.
November 17, 2025
high
industrial
SpaceX's Starbase functions as a commercial launch site that has contractual relationships with U.S. government agencies.
Treaties between the United States and Mexico require clear demarcation of the national border when rivers such as the Rio Grande change course.
November 17, 2025
medium
temporal
Border-management principle applied when natural waterways alter the perceived boundary.
The International Boundary and Water Commission is a binational agency tasked with defining and reviewing aspects of the U.S.–Mexico border.
May 08, 2025
high
institutional
Identifies a durable institutional actor responsible for boundary delineation between the United States and Mexico.