Aircraft fly in formation,soldiers fire artillery and advance on field during war...HD Stock Footage

Link to order this clip: http://www.criticalpast.com/video/65675072652_army-war-rehearsal_aircraft-in-flight_soldiers-fire-artillery_advance-on-field Historic Stock Footage Archival and Vintage Video Clips in HD. Aircraft fly in formation,soldiers fire artillery and advance on field during war rehearsal in Chicago, Illinois. The US Army rehearses for war in Chicago, Illinois. An aircraft in flight. Soldiers fire artillery and advance on a field. Antiaircraft guns fire at diving aircraft. Soldiers fire machine guns. Tanks advance on a field. Location: Chicago Illinois. Date: June 1, 1938. Visit us at www.CriticalPast.com: 57,000+ broadcast-quality historic clips for immediate download. Fully digitized and searchable, the CriticalPast collection is one of the largest archival footage collections in the world. All clips are licensed royalty-free, worldwide, in perpetuity. CriticalPast offers immediate downloads of full-resolution HD and SD masters and full-resolution time-coded screeners, 24 hours a day, to serve the needs of broadcast news, TV, film, and publishing professionals worldwide. Still photo images extracted from the vintage footage are also available for immediate download. CriticalPast is your source for imagery of worldwide events, people, and B-roll spanning the 20th century.