To authorize assistance and sustainment to the military and national security forces of Ukraine.

This bill authorizes the Secretary of Defense, in coordination with the Secretary of State, to provide assistance (including training, equipment, lethal weapons of a defensive nature, logistics support, supplies, and services) to the military and national security forces of Ukraine through September 30, 2017, to help Ukraine: (1) secure its sovereign territory against foreign aggressors, (2) protect the Ukrainian people from attacks posed by Russian-backed separatists, and (3) promote the conditions for a negotiated settlement to end the conflict.