Section 5
SEC. 5. Subject to such terms and conditions as the Philippine government may prescribe, the grantee may use the landing and other airport facilities on land or water as may be maintained or owned by the government within the Philippines on the grantee's lines, excepting those which, in the opinion of the government, may not be used by the grantee because of military or naval considerations. Reciprocally, the government shall have the right to use the landing and other airport facilities on land or water maintained or owned by the grantee in the Philippines.