1940

U-99. While inbound to Bergen with a medical casualty U-99 sailed into the path of the German battlecruiser Scharnhorst, whose Ar196 scout plane mistook the boat for a British submarine and attacked, causing damage that forced the boat back to Germany for repairs. (Blair, vol 1, page 171)

1943

U-462. This milch cow suffered one dead and four wounded from an attack by Mosquito aircraft from RAF Squadrons 151 & 456. [Matrosengefreiter Ferdinand Brunnbaur]. The boat had to break off patrol and return to port.

1944

U-971. For the third time on this patrol the boat was attacked by Allied aircraft. On this day two more attacked; a British Sunderland flying boat (228 Sqdn RAF) and a British Halifax bomber (502 Sqdn RAF), causing yet more damage to the boat. The boat still continued on patrol, and was sunk by aircraft three days later while en route to base at Brest, France. (Blair, vol 2, page 590)

No U-boats were lost on this date, 21 June.

- For more information on U-boat losses check out our Fates section.

There were no men lost from U-boats on this date, 21 June.

- For more information on Men lost from U-boats check out this page.

The following men were born on this day:
Karl Friederich (1914), Wolfgang Ley (1920).

See the entire U-boat commander listing showing all U-boat commanders.
We might include more officers (Allied and Axis) at a later date.

This section shows the U-boat departures and arrivals from bases on this day of the year. Current country names shown with harbour names. Boats entering port display days at sea during that patrol.

1941

Sailed:
From Bergen, Norway: U-137
From Gotenhafen: U-142
From Kiel, Germany: U-81

U-boats entering base:
To Kiel, Germany: U-48 (3 days)

1942

Sailed:
From Kiel, Germany: U-458, U-461

U-boats entering base:
To Brest, France: U-213 (2 days), U-558 (71 days)

1943

Sailed:
From Hammerfest, Norway: U-625
From Toulon, France: U-458

U-boats entering base:
To St. Nazaire, France: U-338 (7 days)

1944

Sailed:
From Egersund: U-317 (lost 6 days later)
From St. Nazaire, France: U-390
From St. Peter Port: U-984
From Stavanger, Norway: U-771

U-boats entering base:
To Bergen, Norway: U-743 (7 days)
To Reval U-1193 (2 days)
To Toulon, France: U-586 (44 days), U-952 (45 days)
To Trondheim, Norway: U-348 (4 days)

Boats entering port on this day are not counted, but boats departing for patrol are. (+) indicates the boat was lost during this patrol.

1940

U-25, U-26 (+), U-28, U-29, U-30, U-32, U-38, U-43, U-46, U-47, U-48, U-51, U-52, U-61, U-62, U-65, U-99, U-101, U-122 (+), UA.
20 boats at sea.

1941

U-38, U-43, U-69, U-71, U-73, U-75, U-77, U-79, U-96, U-101, U-103, U-107, U-108, U-111, U-123, U-137, U-140, U-141, U-142, U-143, U-144, U-145, U-146, U-149, U-201, U-202, U-203, U-204, U-371, U-552, U-553, U-556 (+), U-557, U-558, U-559, U-561, U-562, U-564, U-651 (+), U-751, UA.
41 boats at sea.

1942

U-67, U-68, U-69, U-81, U-84, U-87, U-88, U-89, U-94, U-96, U-97, U-103, U-106, U-107, U-124, U-126, U-128, U-129, U-132, U-134, U-135, U-153 (+), U-154, U-156, U-158 (+), U-159, U-160, U-161, U-166 (+), U-171 (+), U-172, U-173, U-202, U-203, U-205, U-215 (+), U-251, U-332, U-334, U-355, U-372, U-373, U-376, U-402, U-404, U-406, U-408, U-432, U-437, U-453, U-458, U-459, U-460, U-461, U-502 (+), U-504, U-505, U-553, U-559, U-561, U-566, U-569, U-571, U-575, U-576 (+), U-578, U-584, U-590, U-594, U-653, U-657, U-701 (+), U-753, U-754 (+).
74 boats at sea.

1943

U-18, U-19, U-24, U-66, U-67 (+), U-73, U-81, U-84 (+), U-92, U-119 (+), U-126 (+), U-134 (+), U-135 (+), U-154, U-159 (+), U-170, U-172, U-177, U-178, U-180, U-181, U-185 (+), U-190, U-193, U-194 (+), U-195, U-196, U-197 (+), U-198, U-199 (+), U-200 (+), U-211, U-212, U-214, U-221, U-228, U-232 (+), U-251, U-257, U-271, U-302, U-306, U-333, U-336, U-341, U-358, U-380, U-382, U-415, U-420, U-431, U-435 (+), U-449 (+), U-450, U-455, U-458, U-460, U-462, U-487 (+), U-488, U-508, U-510, U-511, U-513 (+), U-515, U-527 (+), U-530, U-535 (+), U-536, U-558 (+), U-565, U-571, U-572 (+), U-586, U-590 (+), U-592, U-593, U-596, U-600, U-603, U-608, U-615 (+), U-617, U-618, U-622, U-625, U-634 (+), U-641, U-642, U-645, U-650, U-653, U-666, U-667, U-669, U-732, U-758, U-759 (+), U-951 (+), U-953.
100 boats at sea.

1944

U-19, U-20, U-107, U-129, U-154 (+), U-155, U-181, U-183, U-196, U-198 (+), U-214, U-218, U-233 (+), U-242, U-243 (+), U-247, U-269 (+), U-275, U-276, U-294, U-307, U-309, U-313, U-315, U-317 (+), U-344, U-363, U-390, U-394, U-396, U-397, U-441 (+), U-480, U-516, U-530, U-534, U-537, U-539, U-541, U-543 (+), U-546, U-547, U-548, U-621, U-668, U-671, U-673, U-677, U-678 (+), U-711, U-716, U-719 (+), U-741, U-745, U-763, U-764, U-771, U-804, U-853, U-857, U-858, U-859 (+), U-861, U-862, U-958, U-971 (+), U-975, U-982, U-984, U-988 (+), U-992, U-997, U-999, U-1001, U-1007, U-1060, U-1062, U-1165, U-1191 (+), U-1222 (+), U-1225 (+).
81 boats at sea.

1945

U-530, U-977.
2 boats at sea.

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