Fanning and sisters escorting Enterprise on the Doolittle raid, April 1942

When they commissioned, the first eight 1500-tonners (the Farragut class) were assigned as Destroyer Squadron 20 in the squadron numbering system of the time.
   Before World War II, however, they and the other 1500-tonners and 1850-ton leaders were reorganized into seven squadrons, each with a flagship and two four-ship divisions. Likewise, the nine low-numbered Sims-class destroyers were organized as DesRon 2 while the other three Sims were initially assigned as flagships for Squadrons 8, 11 and 13.
   Each squadron was commanded by a captain. Later, as with the Fletchers, the squadron flagship was normally assigned to the low-numbered division, which the squadron commander commanded, eliminating the need for a division commander..
   The initial composition of these eight squadrons was as follows:

DESRON 1
The eight Farragut-class ships plus 1850-tonner Phelps.

FLAGSHIP — 360 Phelps.

DESDIV 1 — 349 Dewey (flag), 350 Hull, 351 Macdonough, 352 Worden.

DESDIV 2 — 348 Farragut (flag), 353 Dale, 354 Monaghan, 355 Aylwin.

DESRON 2
The nine low-numbered Sims-class ships.

FLAGSHIP — 417 Morris.

DESDIV 3 — 409 Sims, 410 Hughes, 411 Anderson (flag), 412 Hammann.

DESDIV 4 — 413 Mustin (flag), 414 O’Brien, 415 Russell, 416 Walke.

DESRON 3
Eight Mahan-class ships plus 1850-tonner Clark.

FLAGSHIP — 361 Clark.

DESDIV 5 — 369 Reid, 371 Conyngham, 372 Cassin (flag), 375 Downes.

DESDIV 6 — 365 Cummings, 370 Case (flag), 373 Shaw, 374 Tucker.

DESRON 4
The eight Bagley-class ships plus 1850-tonner Selfridge.

FLAGSHIP — 357 Selfridge.

DESDIV 7 — 386 Bagley, 387 Blue (flag), 388 Helm, 391 Henley.

DESDIV 8 — 389 Mugford (flag), 390 Ralph Talbot, 392 Patterson, 393 Jarvis.

DESRON 5
Eight Mahan-class ships plus 1850-tonner Porter.

FLAGSHIP — 356 Porter.

DESDIV 9 — 364 Mahan, 366 Drayton, 367 Lamson, 368 Flusser.

DESDIV 10 — 376 Cushing, 377 Perkins, 378 Smith, 379 Preston.

DESRON 6
The four Gridley-class ships, the two Dunlap- (last two Mahan)-class ships and the two low-numbered Benham-class ships plus 1850-tonner Balch.

FLAGSHIP — 431 Balch.

DESDIV 11 — 380 Gridley, 382 Craven, 400 McCall, 401 Maury (flag).

DESDIV 12 — 384 Dunlap (flag), 385 Fanning, 397 Benham, 398 Ellet.

DESRON 8
The eight high-numbered Benham-class ships plus Sims-class Wainwright.

FLAGSHIP — 419 Wainwright.

DESDIV 15 — 399 Lang (flag), 406 Stack, 407 Sterett, 408 Wilson.

DESDIV 16 — 402 Mayrant (flag), 403 Trippe, 404 Rhind, 405 Rowan.

DESRON 9
The eight otherwise-unassigned 1850-tonners.

DESDIV 17 — 358 McDougal (flag), 359 Winslow, 362 Moffett, 394 Sampson.

DESDIV 18 — 381 Somers, 383 Warrington, 395 Davis (squadron flag), 396 Jouett.


Note: Division listings show ships in hull-number order. Division listings in other sources sometimes use different orders, e.g., reflecting the seniority of their commanding officers at a specific time.

Amendments and corrections are always welcome.


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