![](http://www.alamy.com/thumbs/6/1C7DEDB1-CEF3-4F14-9549-5225E5A8717B/D8YBFG.jpg)
M61 GAU-4 20mm Vulcan cannon configured for mounting within the F-111
Size: 3800px × 2524px
Photo credit: © Rocky Reston / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: -111, 20mm, aardvark, airplane, ammunition, barrel, bomber, bullet, bullets, cannon, canon, complex, danger, defense, gattling, gun, jet, machine, military, offense, protection, raven, technology, vulcan, weapon