In the Senate of the United States. June 8, 1874. -- Ordered to be printed. Mr. Sargent submitted the following report. The Committee on Naval Affairs, to whom was referred Senate resolution instructing the committee to report whether, under existing laws, a promotion to the rank of rear-admiral can be lawfully made without a previous examination of the officer promoted, according to the provisions of the act of Congress on the subject of promotions, approved July 16, 1862, have had the same under consideration, and submit the following report..