In maintaining schools and camps established under section 7481 of this title, the Secretary of the Army may—

(1) prescribe the periods during which they will be operated;

(2) prescribe regulations for their administration;

(3) prescribe the courses to be taught;

(4) detail members of the Regular Army to designated duties relating to the camps;

(5) use necessary supplies and transportation;

(6) furnish uniforms, subsistence, and medical attendance and supplies to persons attending the camps; and

(7) authorize necessary expenditures from proper Army funds for—

(A) water;

(B) fuel;

(C) light;

(D) temporary structures, except barracks and officers’ quarters;

(E) screening;

(F) damages resulting from field exercises;

(G) expenses incident to theoretical winter instruction of trainees; and

(H) other expenses incident to maintaining the camps.