The _Baltimore_ laid this whole minefield unassisted, 899 mines in

all. She worked directly under Rear Admiral Clinton-Baker, R.N., who

wired his congratulations upon the successful completion of the first

three operations, and when, at the end of May, she was recalled to our

squadron, he wrote to Captain Marshall:

Once more I wish to thank you for all that you have done and

for the very willing help which you, your officers and ship’s

company have always given. It is much to be regretted that the

work which you commenced and so admirably carried out is not to

be completed, at any rate for the present, though doubtless you

will be doing equally useful work elsewhere in the near future.

Good luck to you and your ship.

This minefield accounted for two enemy submarines and there was little

further submarine activity in that vicinity, which should be credited

largely as an achievement of our squadron. And as a sample of quality

before the North Sea mining began, the _Baltimore’s_ work gave our

colleagues confidence that we could do our part—by far the largest

portion—in that great, open sea operation. As immortalized in our song:

“The _Baltimore_ was the first away.

She traveled a thousand miles a day,

To show the Allies the lively way

Of the Yankee Mining Squadron.”

CHAPTER SEVEN

MINE ASSEMBLING AND EMBARKING

Following the conference on board the _Queen Elizabeth_, our bases worked

full blast on the mines for the first operation. One group assembled and

tested the anchors, another the mines, a third the plummet, a fourth the

plummet and anchor together, and a fifth, the final assembly, of mine

and anchor complete—called a unit. A section of mine track of standard

gauge sufficed to test the anchor wheels and thus obviate trouble on

board from their binding or dropping between the ship’s tracks during

minelaying, possibly causing an interrupted string. It speaks well for

the manufacture, for the testing at the bases, and for the ship’s mine

track installations, that no such interruption ever occurred in the whole

series of operations.

[Illustration: MINES AND MINE ANCHORS AWAITING ASSEMBLY.

The Anchors were Shipped in Pairs, for Convenience in Handling.]

The adjustment of firing mechanism was done in a locked room, the secret

entrusted only to a few. It was delicate work, to be done patiently and

methodically, for its accuracy determined whether the mine would be

alive—or a dud. Fidelity in such adjustments is hard enough to maintain

when the repetitions are numbered only by tens. Where hundreds and

thousands are involved the tax on attention becomes severe.

Before loading the mines into the cars, for transfer to the lighters,

each mine was primed with a mealed TNT “booster” charge and the firing

detonator was put in place—all ready for the laying—and five safety

devices were seen in place and in order. These devices would prevent the

firing mechanism working until the mine had reached a certain minimum

depth under water and had been in the water about 20 minutes, and would

also prevent exploding in case of loss overboard during embarking. Such

devices usually function properly, and dependence is not placed on one

alone but on several together, any one of which will make the mine safe

to handle—by experienced men. At an early stage in the training in mines,

one learns to treat them with respect always—no liberties. Even the

safest explosives, the surest mechanism, have an occasional, inexplicable

aberration.

[Illustration: LOADING MINES INTO LIGHTERS.

At Base 18, on the Caledonian Canal, at Inverness.]

The ready mines are swung up into open freight cars, for hauling to the

water side, whence they go, 40 to 80 together, in lighters out to the

ships. After being landed on the tracks of the minelayer, one safety pin

is removed—leaving four—and the mine is then examined for any derangement

during the three handlings in transit from the store shed.

The north of Scotland was a barred area, yet it was reported possible for

information to get through to the enemy in 18 to 20 hours—time enough for

interference to hatch out. With so much activity at the bases, lighters

going to the ships loaded and returning empty, and a large destroyer

escort coming in on 5 June, the fact that an operation was in early

prospect was obvious. The _hour_ of departure at least could be kept

secret, and the start was fixed for midnight. The two detachments of the

mine squadron and the destroyer escort would assemble at 1 o’clock a.m.,

7 June, just outside the Sutors, the high rocky headlands at the mouth of

Cromarty Firth. On this first occasion the preparations continued until

one hour before the ships weighed anchor.

[Illustration: SQUADRON FLAGSHIP “SAN FRANCISCO.”

Receiving Mine Lighters Alongside in Inverness Firth.]

Rehearsal of this operation had been impossible except on paper, but

careful study of it had produced instructions that were comprehensive,

yet elastic enough for emergency. The order for the operation gave a

complete program, including a mining schedule showing the time when each

ship was to begin laying and how many mines to plant. This was gone

over with the captains, and then Captain H. R. Godfrey, R.N., and I had

a conference with Rear Admiral Strauss, on the general features of the

excursion. Captain Godfrey, commanding H.M.S. _Vampire_ and the 14th

Destroyer Flotilla, was our first escort leader.

Our operation was to be no “captains’ fight.” Teamwork was indispensable.

Every ship must keep in her station throughout and do her allotted stint

exactly on time. The instructions said, “Once begun, keep strictly to

schedule times, regardless of the _omission_ of signals or delay in

them.” Otherwise there would be gaps in the barrier, impossible to fill

without waste of time and space, and mines would be brought back that

should have been planted. Teamwork in the high degree wanted meant every

man alive to his interest in the general result and sensible to his

responsibility for his part in it. All would learn this in time, but it

must be driven home beforehand. It was of utmost importance that the

first operation should be an unquestionable success.

Accordingly, after making the preliminary inspection of each new ship,

I spoke to each ship’s company, partly to comment on their work so far,

but chiefly to enlist the best efforts of each individual. Rumor and

conjecture were the sources of all they had learned hitherto of the

work ahead of them. Now they were told something of its magnitude and

importance—that it had been regarded as doubtful of accomplishment, but

their squadron commander had promised success in their name, promised

the kind of success that comes only with the best teamwork throughout

the ship and by all ships in the squadron. Every man should realize that

now, in war, his utmost was called for, as never before in his life; that

however simple and unimportant his duty might seem, it was his to do,

and he was counted on not to be content that any other man’s work should

be better done, and that, in our work, prolonged through hours, the

attention must never slacken—the 600th mine must be as carefully tended

as the first. The men gave the closest attention—not an eye wavered,

hardly a muscle moved—giving back such confidence that, on board the

_Canonicus_, which I had found in fine condition, I could wind up with,

“And when the last mine is out, the only signal I expect to send to you

is ‘_Canonicus_ well done’!”

CHAPTER EIGHT

THE FIRST MINELAYING EXCURSION

The eve of our first departure was drizzling and misty. Attempts for some

advance sleep were of no avail—too much pressure had directly preceded.

When 11 o’clock came without sign of the two ships due from the inner

anchorage in Beauly Basin, we in the flagship wondered why. The tide was

falling, another half hour passed—would they never come? Signals and

radio failed to get through. Very soon, if not already, they would be

unable to pass through the new dredged channel. At last, near midnight,

they appeared. The pilots had been delayed through a misunderstanding on

shore, in itself slight—but it was a narrow escape from being 10 hours

late, which, on our first operation, would have made a bad impression,

without and within.

The start is made without signals, all dark and noiseless on board,

except for the rumbling chain as the ship gets underway. As the _San

Francisco_ heads out slowly, one after another the signal quartermaster

reports the other ships underway and following. We take two-thirds speed

now. The full number of lookouts are at their stations and warned to be

alert, and the men are now sent to the battery, making a little stir

for the moment, then quiet falls again. Fort George shows the signal

for an open gate, we increase to standard speed, and as the second ship

passes out through the submarine net, they all form single column astern

and close up—to 500 yards apart. The rocky shore looms high and black

on the left, not a single house light showing. On the off-shore side,

small patrol craft can be dimly seen, on watch against lurking danger.

Fifteen minutes more and we see long, low forms slinking against the dark

background of North Sutor. Those are the escort destroyers, going out to

form a screen. Close following them we make out larger, higher, moving

shadows—our detachment from the other base—one, two, three, four—_five_!

_All there!_ The detachments are so timed that they reach the junction

buoy at the same moment, and the whole squadron stands on, without pause,

together, 10 ships in two parallel columns, 500 yards apart. Ahead and

on either side are four destroyers, 12 in all. No signals, no lights, no

sound but quiet tones on the bridge and the swash of the water overside.

Three miles along, the water deepens to 60 feet. A screened flash from

the flagship to the opposite leader and the squadron, all together,

slackens speed, to get out paravanes—those underwater, outrigger-like

affairs which guard against anchored mines in one’s path. Only a few

minutes, then up each column comes the sign “yes,” passed by ships in

succession—another flash from the flagship, and we resume standard speed

again, keeping on, out Moray Firth, through the one-mile wide channel,

which is swept daily for mines.

[Illustration: THE MINE SQUADRON AT SEA.

Returning to Base After Laying the Ninth Minefield.]

Off Pentland Skerries, near John O’Groat’s House, we turn east, and

here as we pass, the supporting force files out of Scapa Flow—six

light cruisers, then a squadron of battle cruisers and another of four

battleships, each squadron screened by six destroyers. Very impressive

are these great ships, majestic in movement, as they sweep off to the

southward and eastward, disappearing in the morning haze, which magnifies

their towering bulk. We see them no more until next day but know they are

there, on guard against raiders.

The British Minelaying Squadron is out, too, four ships with a joint

capacity of 1300 mines, but we do not meet. Though protected by the

same heavy squadrons, we work independently, in different areas. They

are bound this time for the section near the Norway coast, Area C it is

called, while we are to begin at the southeastern corner of the middle

section, Area A, and work to the westward.

Straight over to Udsire we go, a small island off the Norway coast, the

nearest good landmark from which to take a departure for the minelaying

start point. We make Udsire Light near 11.30 p.m., close in to about 11

miles distance, turn north for a sufficient run to give a good fix, and

then head off-shore. Accurate determination of the minefield’s position

is necessary for use in laying another field close by subsequently, and

also for the safety of the vessels sweeping the mines up after the war.

There must be steady steaming and steering, with a minimum of changing

course—no hesitation, no trial moves, for neither the time at disposal

nor the submarine risk will permit.

All goes smoothly until the turn to head off-shore, when one destroyer

crosses too close under _San Francisco’s_ stern and cuts her “taut wire.”

This is fine piano wire, furnished in spools of 140 miles of wire, the

whole weighing one ton. A small weight would anchor the end to the

bottom, and then a mile of wire meant a mile over the ground without

question.

The wire is soon started again, and as the _Baltimore_ is running her

wire on the other flank, and the weather is clear enough for good

navigational bearings and star sights, no harm is done. We head for a

position seven miles in advance of the start point, so that the squadron

may turn together to the minelaying course and have still a half-hour in

which to settle down.

It is a busy night and early morning, keeping the ships in formation,

verifying the navigation, keeping a keen lookout in every direction for

submarines—we are now in their regular route—going over the mines for

final touches and making other preparations necessarily left to the last.

About 4 o’clock, Lieut. Commander Cunningham, the flagship’s navigator,

reports that we shall reach the start point at 5.27 a.m. Captain Butler

and I check his figures, and at 4.27 the signal is made that minelaying

will begin in one hour. The crews go to mining stations, to see all

clear and then stand by. In the flagship we watch for the reports of

readiness. Ship by ship they signal in the affirmative. They are ready,

every one.

Now the last turn has been made and the signal is flying to begin laying

in seven minutes. The ships are formed in a single line abreast, speeding

towards the start point—like race horses when the starter’s flag is up.

It is a stirring sight. How will it go, after all these months—for some

of us years—of preparation? Our work to-day will mean much to those in

Washington.

No ship is off the line by so much as a quarter length. Commander Canaga

stands with watch in hand—“two minutes, one minute, thirty seconds,

fifteen?” He looks up inquiringly. A nod—all right. “Five seconds—haul

down!” Up go the red flags on the first ships to plant, the sign that

their minelaying has begun, and word comes from the flagship’s launching

station at the stern, “First mine over.” All well so far.

The minelaying now runs entirely by the time table. Each ship gives her

successor five minutes warning and, as her last mine dives overboard,

shows the signal “Begin minelaying at once; I have suspended.” The

successor begins accordingly, showing her red flag. The staff officers on

board the _San Francisco_ watch for these signals, comparing the times

with what they should be, and counting also the seconds elapsed between

the launching of successive mines, from the ships whose sterns we can

see. A few seconds out now and then—otherwise all goes according to

schedule, just as planned before leaving the United States.

The hardest task is on board the _Housatonic_—a new ship, with a new

mining installation, of type untried in service, and a crew inexperienced

in minelaying—dropping 675 mines without intermission, 1 every 11½

seconds, during 2 hours and 10 minutes. Her mate is standing by, ready

for any interruption, but the _Housatonic_ completes the task without a

break—making a world record, a continuous line of mines, 28 miles long.

On a later occasion, the _Canonicus_ planted 860 mines in 3 hours 35

minutes, an unbroken line of 43 miles.

About 20 minutes after planting began, an explosion was felt and a

geyser seen astern. A few minutes later the same occurred again, and

other explosions followed, at varying intervals and distances, some just

visible on the horizon. Others which were nearer, as evidenced by the

sharpness of the shock, threw up no geyser, indicating that they were at

the middle or lowest depth.

In the proof tests held off Cape Ann in April, it had been observed

that a mine at the middle level, 160 feet submergence, made no surface

disturbance when detonated, until 8 seconds had elapsed, and then only as

much as the wash of a light swell over a submerged rock. At the deepest

level, 240 feet submergence, a detonation produced no more surface

upheaval than there is in a glass of well iced champagne. The ship being

about 800 yards away, the shock was heavy and sharp. The water surface

all over could be seen to tremble with the shock, but directly over the

mine itself, when, after 27 seconds, the gas came up, there was no more

surface disturbance than a pleasure canoe could have ridden with safety.

A slick on the water would follow, but this could not be distinguished

at much over a mile distance nor at all if there were a white cap sea

running.

Observers recorded the number, times, and approximate positions of all

explosions and, on board the _San Francisco_ and _Baltimore_, there were

listeners stationed at the submarine signal receivers, so as to get a

full count. All observers did not agree, as the indications from sounds

and shocks varied according to distance and depth. Some explosions gave

a prolonged reverberation, at times sounding to the unassisted ear like

two or three explosions in rapid succession, but in the submarine signal

receiver each explosion made a distinct sound, unmistakable.

The count by the _San Francisco_ and _Baltimore_, differing by only 2,

practically agreed on 100 explosions, or about 3 per cent of all mines

planted. Although a perfect record was desirable, the detonations showed

the minefield to be alive and sensitive, and their number was not large

for a new mine, not yet long enough in service to refine out the minor

defects.

Surprising enough on deck, where one could see, that first explosion must

have startled the men in the engine room, in the coal bunkers, and on

the lower mine decks. The blow rings sharper down there, where resulting

damage, in broken pipe joints or started boiler tubes, might be expected

first. Whether gun, torpedo, or mine, however, it is all one—the duties

go on just the same.

As the mines on the launching deck move slowly aft, those on lower decks

move forward, to the elevators and up. Working spaces are cramped,

passages narrow, bulkhead doors closed wherever possible. At the right

time, a door will be opened, the portable section of mine track

adjusted, the mines in that compartment hauled out, and the door closed

again water-tight, all as quickly as possible. Close, hot, foul with oily

steam and seasickness—it is sweating, disagreeable work below decks. But

complaint is nowhere in the ships. The feeling is well expressed by one

man, writing home:

When the first mine went over, I had a curious feeling of

exultation. The fear, the perils, the uncertainties that

surround our work, slipped from me like the foolish fancies of

a nightmare. There, at last, was a nail in the Kaiser’s coffin.

Come what might, I had justified my existence. Had the whole

German High Seas Fleet appeared in the offing, I am sure I

should have gone to my battle station with a shout of glee.

Prolonged activity, in preparing the squadron and bringing it out, makes

it trying now for me, to look on, hands folded—nothing to do while

everything goes well—yet constantly alert, for instant decision in case

of mishap. After nearly four hours, the schedule is finished. Some marker

buoys are dropped, for later use in beginning another minefield. The line

of ships then takes the narrower route formation, and we head back for

the base. Butler, Canaga, and I exchange quiet congratulations. Our work

together has been to good purpose.

The men clean up the decks, get a wash for themselves, and those off duty

drop asleep—anywhere—the deck is covered with them. On top of the duties

common to all men-of-war, to move the 400-ton masses of mines, in slow

but steady time, is very fatiguing, even with steam winches to help.

We are not finished yet. Expectation of a quiet afternoon doze, handy

to the bridge, is rudely dispelled by a smoke screen started by the

destroyers. Unaware it is only an exercise, all hands tumble up to battle

stations. Then one minelayer must stop, to tighten a nut working loose.

Two destroyers are left to guard her, all three overtaking us in a few

hours. Next a dirigible balloon heaves in sight, and then a widespread

smoke covers the horizon, developing into a convoy of 50 vessels.

Finally, in the midst of dinner, the siren of our next astern shrieks

“Submarine to port!”

While the minelayers, upon signal, swing together away from the danger

quarter, the _Vampire_ swoops by at 30 knots, to drop two depth charges

on the spot indicated. Captain Godfrey signals, “Whatever was there,

those charges will keep him down for a considerable time.” All quiet

again, we return to our cold provender, remarking that, as a name, mine

squadron is ill chosen. It should be “Crowded Hour Club.”

Reports had now come in from all the ships that there had been no

casualties. All were prepared to undertake another operation upon

receiving the mines, and without further incident we returned to our

former anchorages, arriving at 3.30 next morning. But ere that day

closed, so memorable in our lives, I signaled the squadron:

The operation to-day was an excellent performance by each ship

and by the squadron as a whole. The fact of some premature

explosions does not detract from the highly creditable mine

handling and steady steaming. Confidence in the personnel and

faith in the undertaking are well justified, and captains may

well be proud of their commands, as the squadron commander is

of the squadron.

SQUADRON ORGANIZATION AND SHIPS’ DATA

MINE SQUADRON ONE, U.S. ATLANTIC FLEET

(Designated in H.B.M. Grand Fleet, SECOND MINELAYING SQUADRON)

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 officer Commander 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 secretary Lt. Comdr. E. S. R. Brandt.

Aid and secretary after 23 August, 1918 Ensign Roger F. Hooper, R.F.

Squadron radio officer, also signal

officer after 23 August, 1918 Lieut. R. C. Starkey.

Communication officer and aid Lt. (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.

Launched November 14, 1899, named _El Rio_; commissioned

January 25, 1918, at Tietjen and Lang’s.

_Canandaigua_—Captain W. H. Reynolds, U.S.N.

Launched in May, 1901, named _El Siglo_; commissioned March 2,

1918, at the Morse Dry Dock and Repair Company, Brooklyn, N.Y.

_Canonicus_—Captain T. L. Johnson, U.S.N.

Launched November 14, 1899, named _El Cid_; commissioned March

2, 1918, at the Morse Yard.

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