US Code
CHAPTER 979— REAL PROPERTY
§ 9771. Acceptance of donations: land for mobilization, training, supply base, aviation field, or space mission-related facility

(1) land that he considers suitable and desirable for a permanent mobilization, training, or supply base; and
(2) land that he considers suitable and desirable for an aviation field or space mission-related facility, if the gift is from a citizen of the United States and its terms authorize the use of the property by the United States for any purpose.