This market attempts to use the numerical options to forecast the year something happens.

Resolution Criteria:

1. Definition: "Cease to operate as a detention facility" means no detainees are held under U.S. military custody within the facility.

2. Official Confirmation: Public announcement by the U.S. Department of Defense, the President, or equivalent.

3. Verification: Independent verification (e.g., media reports, international inspections) confirming the absence of detainees.

4. Permanent Closure: Evidence or announcement indicating the facility won't be used for detention in the future, not just a temporary absence of detainees.

5. Resolves N/A if it still functions as a detention facility on January 1st, 2074.