March 9, 2007: The U.S. Air Force has started using a new 20mm round for its aircraft cannon. The PGU-28A/B round has a higher velocity (because of more propellant), and the shell has a more ...
A couple hurt last year when a 20mm shell they’d scavenged from Joint Base Lewis-McChord exploded in their faces pleaded guilty Tuesday to a charge stemming from the blast. Juliette Parker and Cody ...
POCATELLO — An unexploded 20mm explosive shell discovered at Pacific Recycling on Highway 30 was destroyed without incident by the Mountain Home Air Force Base bomb squad Thursday afternoon. After ...
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