Action of 15 October 1917

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Action of 15 October 1917
Part of
Atlantic U-boat Campaign

The destroyer USS Cassin.
Date15 October 1917
Location
off Mind Head, Ireland, Celtic Sea, Atlantic Ocean
Result United States victory, Americans defend ship and drive off attacking German submarine
Belligerents
 United States  German Empire
Commanders and leaders
United States Navy W. N. Vernou German Empire Victor Dieckmann
Strength
Destroyer USS Cassin Submarine U-61
Casualties and losses
One killed
Nine wounded
Cassin damaged		 U-61 damaged

The action of 15 October 1917 was a naval engagement of

Mine Head
, Ireland.

Action

The

German submarine U-61—on a typical unrestricted U-boat mission — was cruising in British waters, attacking Allied shipping. She was armed with a deck gun and torpedoes
.

On 15 October 1917, Cassin sighted U-61 at about 23 mi (20 nmi; 37 km) south of Mind Head at 13:30 and 5 mi (4.3 nmi; 8.0 km) from the ship. The German submarine sighted Cassin as well, she immediately submerged and began to flee. A pursuit ensued for an hour; at about 14:30, U-61's commander—Victor Dieckmann—decided to engage the tailing American warship.

The Germans then turned about and surfaced to line up for a shot and fired their last torpedo.

First Class Osmond Ingram noticed the incoming projectile, he quickly ran over to the depth charge
gunners and ordered them to jettison the charges before the torpedo struck them. The torpedo struck the destroyer aft on the port side before this could be done and Ingram was killed in the explosion.

The torpedo hit Cassin's

shells which forced the U-boat to dive. Four hits damaged U-61's conning tower
which discouraged her commander from continuing to attack.

Besides the American sailor killed, nine others were wounded in the action. The dead sailor—Osmond Ingram—was awarded the

Ronald Niel Stuart in HMS Snowdrop. The damaged USS Cassin was repaired and returned to active duty in July 1918; U-61 was sunk by the P-class sloop
HMS PC.51 a few months later.

Map of the Celtic Sea, part of the Atlantic Ocean

See also

References

  • "World War I Medal of Honor Recipients: Ingram, Osmond K." Center of Military History. U.S. Army. Archived from the original on October 18, 2008. Retrieved June 23, 2016.
  • "Gunner's Mate First Class Osmond K. Ingram, USN, (1887–1917)". Naval Historical Center. Department of the Navy. Retrieved June 23, 2016.
  • Feuer, A. B. (1999). The U.S. Navy in World War I.
    OCLC 40595325
    .
  • This article incorporates text from the public domain Dictionary of American Naval Fighting Ships. The entry can be found here.

External links

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