To establish a United States Commission on Planetary Defense, and for other purposes.

Establishes in the legislative branch the United States Commission on Planetary Defense to: (1) review the structure, coordination, management policies, and procedures of the federal government, and as appropriate, international bodies, and nongovernmental entities, relative to the detection, characterization, mitigation, and over all response efforts to dangerous Near-Earth Objects (NEOs); (2) assess U.S. and foreign technology readiness levels required to provide effective planetary defense and make recommendations to develop required technologies, including NEO detection and characterization systems, spacecraft, nuclear devices, and laser systems; and (3) submit interim reports and a final report to the President and Congress containing such findings, conclusions, and recommendations as the Commission shall determine for corrective measures.

Sets forth provisions regarding the membership, powers, and staff of the Commission.