Netherlands

The aircraft left RAF Leeming in the evening of June 12 on a bombing mission to Bochum, Germany. While overflying The Netherlands by night, the aircraft was shot down by the pilot of a German fighter and crashed in flames in a field. Four crew were killed while three others were injured.
Crew (427th Squadron):
P/O Al M. Fellner, pilot,
Sgt J. Imms, †
P/O G. Dalton, †
P/O W. Thurston,
P/O B. Tedford, †
Sgt A. Dixon, †
P/O G. Huston.
Source & photos: http://www.626-squadron.co.uk/willem23.htm

The aircraft left RAF Dishforth in the evening of May 23 on a bombing mission over Dortmund. While overflying The Netherlands by night, the aircraft was shot down by the pilot of a German fighter and crashed in a field. All five crew members were killed.
Crew (426th Squadron):
Sgt L. G. Sutherland 4.

The aircraft left RAF Kirmington in the evening of May 23 on a bombing mission over Dortmund. While cruising at an altitude of 5,000 metres over The Netherlands by night, the aircraft was shot down by the pilot of a German fighter and crashed in flames in a field located in Buurse, south of Enschede. All five crew members were killed.
Crew (166th Squadron):
Sgt J. R. Stewart 4.

While approaching the Dutch coast on a bombing mission, the twin engine aircraft was shot down by the German Flak and crashed into the sea 5 miles off Ijmuiden. Five crew members were killed while the sixth occupant was rescued and taken PoW.
Crew (452nd BS):
2nd Lt Edward R. Norton,
2nd Lt James A. Norton,
Lt Alvin X. Zeindenfeld,
S/Sgt Ralph H. McDougall,
S/Sgt Harrison E. Kegg,
Sgt Bennett W. Longworth.

While approaching the Dutch coast on a bombing mission, the aircraft was shot down by the German Flak and crashed into the sea off Castricum. Five crew members were killed while the sixth occupant was rescued and taken PoW.
Crew (450th BS):
Lt Joseph H. Jones,†
2nd Lt Anthony A. Alaimo,
2nd Lt Norris K. Calkins, †
Sgt Marvin L. Harbour, †
T/Sgt Robert Steffen, †
S/Sgt Milton E. Littrell. †

While approaching the Dutch coast, the aircraft was shot down by the German Flak and crashed into the sea, two miles west of Ijmuiden. A crew member was killed while five others were rescued.
Crew (322nd BG/450th BS):
Lt Col William R. Purinton,
2nd Lt William H. Kinney,
Lt Edward F. Jefferis Jr., †
S/Sgt Jean J. Duhamel,
S/Sgt Robert J. Gunther,
Sgt Lester F. Miller.

While flying west of Utrecht, the aircraft collided with another USAAF B-26B Marauder registered 41-17991 and carrying a crew of six as well. Both aircraft went out of control and crashed in a field located in Bodegraven, west of Utrecht. Two crew survived in each aircraft while all eight other occupants were killed.
Crew (452nd BS):
Cpt William Converse, †
2nd Lt Berton H. Ramsey, †
Lt Arthur E. Garni, †
T/Sgt James D. Thompson,
Sgt Kenneth H. VonLindern, †
Sgt Frank Lamonica.

The aircraft was hit by debris from the mid-air collision between both Marauder 41-17991 and 41-18080. The captain attempted an emergency landing in a field and the aircraft came to rest near Bodegraven. While the aircraft was damaged beyond repair, all six crew members were taken PoW.
Crew (452nd BS):
Lt David V. Wurst,
2nd Lt Robert L. Starr,
2nd Lt A. E. Speer,
Cpl George Heski,
S/Sgt Robert J. Dempsey,
Sgt Reginald Foster.

While flying west of Utrecht, the aircraft collided with another USAAF B-26B Marauder registered 41-18080 and carrying a crew of six as well. Both aircraft went out of control and crashed in a field located in Bodegraven, west of Utrecht. Two crew survived in each aircraft while all eight other occupants were killed.
Crew (452nd BS):
Lt Richard O. Wolfe, †
Lt Jack E. Vandergrift, †
2nd Lt John H. Burns, †
Sgt Kleber L. Jones,
Sgt Chester J. Walas,
Sgt John L. Nash. †

While approaching Rotterdam from the west, on a bombing mission, the aircraft was shot down by the German Flak and crashed in the Maas River located in Maassluis. Two crew members were killed while four others were taken PoW.
Crew (450th BS):
Lt Vincent S. Garrambone,
2nd Lt Leonard S. Lang,
2nd Lt James R. Hoel,
Sgt John L. Stefanowicz, †
Sgt John Logan,
Sgt Melvin O. Cage. †