Captain Reginald R. Belknap, U.S.N., Squadron Commander

Flagship—U.S.S. San Francisco

Chief of staff[1]Captain H. V. Butler.
Aid and tactical officerCommander B. L. Canaga.
Squadron construction and mining officer[1]Comdr. L. F. Kimball.
Squadron engineer[1]Lt. Comdr. F. R. Berg.
Squadron engineer from 1 October, 1918[1]Lieut. G. J. Blessing.
Flag lieutenant and secretaryLt. Comdr. E. S. R. Brandt.
Aid and secretary after 23 August, 1918Ensign Roger F. Hooper, R.F.
Squadron radio officer, also signal officer after 23 August, 1918Lieut. R. C. Starkey.
Communication officer and aidLt. (j. g.) R. L. White, R.F.
Squadron surgeon[1]Lt. Comdr. G. C. Rhoades (M.C.).
Squadron surgeon from 1 October, 1918[1]Lieut. H. P. Stevens (M.C.), R.F.
Squadron supply officer[1]Lieut. C. R. Eagle (P.C.).
Squadron athletic officer[1]Lt. Comdr. G. W. Hewlett.
Assistant squadron construction officer[1]Lieut. G. R. Arey (C.C.).

San Francisco (flagship)—Captain H. V. Butler, U.S.N.

Launched at Union Iron Works, San Francisco, October 26, 1889, as a protected cruiser; commissioned as a mine ship August 21, 1911; length 324 feet, beam 49 feet, extreme draft 24 feet, full load displacement 4583 tons; twin screw, 18 knots; four 5-inch 51-caliber guns, two 3-inch anti-aircraft guns, 170 mines; officers 22, crew 350; additional for flagship, officers 5, enlisted men 47; total on board 424.

Baltimore—Captain A. W. Marshall, U.S.N.

Launched at Cramp’s Shipyard, Philadelphia, October 26, 1888, as a protected cruiser; commissioned as a mine ship March 8, 1915; length 335 feet, beam 48½ feet, extreme draft 24 feet, 5482 tons; twin screw, 18 knots; four 5-inch 51-caliber guns, two 3-inch anti-aircraft guns, 180 mines; officers 21, crew 339; total 360.

Roanoke—Captain C. D. Stearns, U.S.N.

Launched August 30, 1911, named El Dia; commissioned as a minelayer January 25, 1918, at Tietjen and Lang’s Shipyard, Hoboken, N.J.

Housatonic—Captain J. W. Greenslade, U.S.N.