from urgent or emergent operational needs: Provided further , That the transfer authority provided under this heading is in addition to any other transfer authority available to the Department of Defense. IV Research, development, test and evaluation Research, development, test and evaluation, army For expenses necessary for basic and applied scientific research, development, test and evaluation, including maintenance, rehabilitation, lease, and operation of facilities and equipment, $9,674,222,000 (increased by $6,000,000) (increased by $4,000,000) (increased by $12,000,000) (increased by $5,000,000), to remain available for obligation until September 30, 2019. Research, development, test and evaluation, navy For expenses necessary for basic and applied scientific research, development, test and evaluation, including maintenance, rehabilitation, lease, and operation of facilities and equipment, $17,196,521,000 (increased by $598,000) (increased by $20,000,000) (reduced by $2,500,000) (increased by $24,000,000), to remain available for obligation until September 30, 2019: Provided , That funds appropriated in this paragraph which are available for the V–22 may be used to meet unique operational requirements of the Special Operations Forces. Research, development, test and evaluation, air force For expenses necessary for basic and applied scientific research, development, test and evaluation, including maintenance, rehabilitation, lease, and operation of facilities and equipment, $33,874,980,000 (increased by $5,000,000) (increased by $6,000,000) (increased by $10,000,000) (reduced by $30,000,000) (increased by $30,000,000), to remain available for obligation until September 30, 2019. Research, development, test and evaluation, defense-Wide (including transfer of funds) For expenses of activities and agencies of the Department of Defense (other than the military departments), necessary for basic and applied scientific research, development, test and evaluation