UH-1B with the Hispano-Suiza M139 20mm autocannon. thought might make an interesting addition to the already UH-1B as a modification. The 20mm was able to fire to different types of AP rounds (
Hispano-Suiza HS.404 – Wikipedia
Weapons of World: caliber cannons 20-23 mm | soldat.pro – military experts. unites the best!
CHE - 20mm Oerlikon FF : Switzerland (CHE)
Hispano-Suiza HS.404 - Wikipedia
Hispano-Suiza HS.404 - Wikipedia
2 X WW II (1939-1945) Hispano 20mm Cannon Cartridge`s-Trench Art | #1414813220
Hispano-Suiza HS.404 – Wikipedia
1944 Hispano Suiza HS404 20MM Anti Aircraft Gun - Artillery & Anti-Tank Weapons - HMVF - Historic Military Vehicles Forum
20 mm Flab Kan Hispano-Suiza Drilling 1943/57 | Massimo Foti | Flickr
Hispano Suiza Stockfotos und -bilder Kaufen - Seite 3 - Alamy
Pin on Cold War Military Systems (Non-Aligned Nations)
20 mm Flab Kan Hispano-Suiza Drilling 1943-57 | Massimo Foti | Flickr
Weapons of the Second World. Air guns 20 (23) mm
Hispano-Suiza HS.404 - Wikipedia
Weapons of the Second World. Air guns 20 (23) mm
Schweizer Geschichte
Hispano-Suiza HS.404 – Wikipedia
The Pacific War Online Encyclopedia: Hispano-Suiza 20mm Cannon
Hispano-Suiza HS.404 – Wikipedia
An introduction to collecting 20 mm cannon cartridges The 20 mm automatic cannon first saw service during World War 1 but achieved its
20mm AA Guns – www.captainstevens.com
The Pacific War Online Encyclopedia: Hispano-Suiza 20mm Cannon
1944 Hispano Suiza HS404 20MM Anti Aircraft Gun - Artillery & Anti-Tank Weapons - HMVF - Historic Military Vehicles Forum