Flaming fragments of a rocket motor arc through the sky after the detonation of an explosive charge on the motor, 1/22/1990.
Photo: Sergeant David Ahlschwede, United States Air Force.
Pease Air Force Base; New Hampshire; United States of America.
National Archives and Records Administration.
Still Picture Branch; College Park, Maryland.
There is no evidence that black powder had any peaceful applications for a long time after its military possibilities were discovered. During the 17th century, black powder found new uses in mining. Using black powder in mining operations was tricky and required the perfection of other mining techniques. Hence, the use of explosives in mining was not common practice until about 1700.
A Spectacular Fireworks Display Lights up the Night Sky During the 4th of July Celebration Held at Commander Fleet Activities (CFA) Yokosuka Naval Base, Japan (JPN).
Photo: MC1(Sw) Paul J. Phelps, USN, 2006.
United States Navy.
National Archives and Records Administration.
Still Picture Branch; College Park, Maryland.