10 U.S.C. § 404: Foreign disaster assistance

The President may direct the Secretary of Defense to provide disaster assistance outside the United States to respond to manmade or natural disasters when necessary to prevent loss of lives or serious harm to the environment. Assistance provided under this section may include transportation, supplies, services, and equipment. The manmade or natural disaster for which disaster assistance is necessary. The threat to human lives or the environment presented by the disaster. The United States military personnel and material resources that are involved or expected to be involved. The disaster assistance that is being provided or is expected to be provided by other nations or public or private relief organizations. The anticipated duration of the disaster assistance activities. Amounts appropriated to the Department of Defense for any fiscal year for Overseas Humanitarian, Disaster, and Civic Aid (OHDACA) programs of the Department shall be available for organizing general policies and programs for disaster relief programs for disasters occurring outside the United States. Transportation services authorized under subsection (b) may be provided in response to a manmade or natural disaster to prevent serious harm to the environment, when human lives are not at risk, only if other sources to provide such transportation are not readily available.