Amendments en bloc: 1) encouraged energy conservation at military installations; 2) eliminated $33 million authorized for 16-inch gun ammunition and increased procurement of five-inch ammunition by the same amount; 3) imposed sanctions on companies found exporting ballistic missile technology; 4) reduced U.S. payments for the salaries and benefits of certain civilian foreign nationals employed at overseas U.S. bases; 5) permitted the use of National Guard facilities for shelters for homeless persons; 6) required the Energy Department to report to Congress on its long-term resource management plan for environmental restoration and waste management at weapons facilities; 7) authorized $18 million for construction of a facility for training Defense Department military medical personnel in trauma care, head, neck, and spinal injury, paralysis and neuroscience and neurodegenerative diseases; 8) established a task force to examine ways to improve interagency coordination of environmental cleanup or restoration activities at military installations closed under the 1988 Base Realignment Commission; 9) required the Defense Department to select two bases for a model program to improve the efficiency and effectiveness of the base closure environmental restoration program; 10) established the terms and conditions of operation for vessels built under the f.st sealift program; 11) placed certain reporting requirements on Northern Ireland firms doing defense work on U.S. aircraft; 12) provided that restrictions on SDI not preclude the Defense Department from planning for the future testing of SDI systems or elements; 13) required that supplies of bauxite stored as part of the National Defense stockpile be upgraded to a higher grade aluminum ingot; 14) authorized the establishment of a command, control, communications and computer network to support U.S. National Guard and interagency law enforcement cooperation in U.S. drug interdiction efforts in North America; 15) reduced funding for development of the P-7 antisubmarine aircraft by $100 million and redirected the funds to the Defense Advanced Research Projects Agency (DARPA); 16) extended eligibility for the homeowner's assistance program to certain federal employees currently ineligible; and 17) required the Air Force to report to Congress on the impact of terminating the MX missile test program.