A-10 shell casing! I work on them (Avionics) and got one from a

Fairchild Republic A-10 Thunderbolt II - Wikipedia

oc] Balloon : r/comics

Selection Case Study: Processes

When Pigs Fly: The A-10 Warthog and the Future of CAS

Haven't seen such questions before… Oddly specific. : r/BrandNewSentence

A-10 30mm Sheet Metal Finish Shell Casing

Man holding a 30mm round for the GAU-8 Avenger. The A-10 can only fire in high rate, which is 3900 rounds per minute. That's 65 rounds p/s. [821x1460] : r/MilitaryPorn

SHELL CASINGS – Artillery Works Co

A-10 'Warthog' Thunderbolt II