| 41. | Fleet Problem XXI was conducted in Hawaiian waters during the spring of 1940.
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| 42. | Allenby moved the EEF's XXI, and the Desert Mounted Corps.
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| 43. | Elsewhere on 7 November the XXI Corps had eventually succeeded in capturing Gaza.
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| 44. | A Acme Type XXI came second in the race.
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| 45. | Between January and March, Ramey s B 29s assisted XXI Bomber Command.
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| 46. | FDC ( Hawk Phase III and Hawk XXI )-Fire Distribution Center.
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| 47. | McCook's Right Wing became the XXI Corps.
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| 48. | The Danish government ordered two D . XXI fighters and another manufacturing license.
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| 49. | Fokker D . XXI aircraft in the Finnish air force during World War II
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| 50. | In 1944, five additional Fokker D . XXIs were assemled from spares.
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