Washington, January 20, 1890.
Sir: In submitting a report under your instructions of July i6, it is deemed necessary in the beginning to state clearly, as they appear to the Board, the considerations demanding the maintenance of a strong naval force by the United States. Thence the limits of a sufficient force may be evaluated, and its different elements determined with reference to the services shown to be required of it.
It need not be pointed out that there are several ways of approaching this subject, and especially of estimating in gross the magnitude of the force required. The following argument, besides covering the broad questions, defines the duties of the more important types and supplies certain of their controlling features.