The Military Department Cash Fund is created. The fund shall be administered by the Adjutant General. The fund shall consist of all nonfederal revenue received by the National Guard pursuant to this section. The Adjutant General is hereby authorized to accept by devise, gift, or otherwise and hold, as trustee, for the benefit and use of the National Guard or any part thereof any property, real or personal; to invest and reinvest the property; to collect, receive, and recover the rents, incomes, and issues from the property; and to expend them as provided by the terms of the devise or gift, or if not so provided, to expend them for the benefit and use of the National Guard as he or she in his or her discretion shall determine, subject to the approval of the Governor. Except as otherwise provided by law, all other money received by the National Guard and derived from any other source shall be remitted to the State Treasurer for credit to the Military Department Cash Fund. Transfers may be made from the fund to the General Fund at the direction of the Legislature. Any money in the Military Department Cash Fund available for investment shall be invested by the state investment officer pursuant to the Nebraska Capital Expansion Act and the Nebraska State Funds Investment Act.