Under such conditions as he may prescribe, the Secretary of the Air Force may issue, to any educational institution at which an Air Force or Space Force officer is detailed as professor of science and tactics, such supplies as are necessary to establish and maintain a camp for the military instruction of its students. The Secretary shall require a bond in the value of the property issued under this section, for the care and safekeeping of that property and, except for property properly expended, for its return when required.