Article 1, Section 8, Clause 13
Document 1
Records of the Federal Convention
[2:143, 158, 168; Committee of Detail]
5. To make war . . . & equip Fleets.
. . . . .
The Legislature of U.S. shall have the exclusive Power-- . . . of equiping a Navy--
. . . . .
. . . to build and equip Fleets . . .
[2:330; Madison, 18 Aug.]
Instead of "to build and equip fleets"--"to provide & maintain a navy" agreed to nem. con as a more convenient definition of the power.
[2:570, 595; Committee of Style]
To provide & maintain a navy;
The Founders' Constitution
Volume 3, Article 1, Section 8, Clause 13, Document 1
http://press-pubs.uchicago.edu/founders/documents/a1_8_13s1.html
The University of Chicago Press
Farrand, Max, ed. The Records of the Federal Convention of 1787. Rev. ed. 4 vols. New Haven and London: Yale University Press, 1937.