Sec. 3. The officers of each naval battalion consist of one (1) commander and a staff to consist of the following:
(1) One (1) executive officer, with the rank of lieutenant commander.
(2) One (1) navigating officer and four (4) watch officers with the rank of lieutenant.
(3) One (1) chief engineer, one (1) paymaster, and one (1) surgeon, each with the rank of lieutenant.