| 1. | The unit trained crews and units for photographic reconnaissance and combat mapping.
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| 2. | The "'28th Photographic Reconnaissance Squadron "'is an inactive United States Air Force unit.
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| 3. | Photoflash ejectors could be carried in underwing tanks for nighttime photographic reconnaissance missions.
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| 4. | Visual reconnaissance, Photographic reconnaissance, Artillery fire adjustment, and Exercises with artillery and infantry.
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| 5. | The visual and photographic reconnaissance from its activation until November 1969
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| 6. | Twelve days later, Hartney was tasked with a photographic reconnaissance mission near Passchendaele.
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| 7. | The Army National Guard helicopters were also used to do photographic reconnaissance work.
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| 8. | Assigned to Ninth Air Force as a photographic reconnaissance unit.
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| 9. | From October 1918 it operated as a photographic reconnaissance unit.
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| 10. | On 1 November 1944, a "'3d Photographic Reconnaissance Squadron "'
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