Gv. 23 (Type 23)
A Japanese light tank prototype developed during World War II, designed to be a more agile and versatile light tank. It featured a 37mm gun and lighter armor, but was never mass-produced due to wartime production constraints.
Gv. 7 (Type 7)
A Japanese medium tank prototype developed during World War II, designed to be a more powerful and heavily armored medium tank. It featured a 75mm gun and thick armor, but was never mass-produced due to wartime production constraints.
Gv. 9 (Type 9)
A Japanese light tank prototype developed during World War II, designed to be a more agile and versatile light tank. It featured a 47mm gun and lighter armor, but was never mass-produced due to wartime production constraints.
Gv. 10 (Type 10)
A Japanese heavy tank prototype developed during World War II, designed to be a more powerful and heavily armored heavy tank. It featured a 105mm gun and thick armor, but was never mass-produced due to wartime production constraints.
Gv. 11 (Type 11)
A Japanese light tank prototype developed during World War II, designed to be a more agile and versatile light tank. It featured a 37mm gun and lighter armor, but was never mass-produced due to wartime production constraints.
Gv. 100 (Type 100)
A Japanese heavy tank prototype developed during World War II, designed to counter Allied tanks like the Sherman. It featured a powerful 105mm gun and thick armor but was never mass-produced due to war-related production constraints.
Gt. 13 (Type 13)
A Japanese heavy tank prototype that was designed to counter Allied tanks like the Sherman and Churchill. It was never fully developed due to resource shortages and technological limitations.
Grumman XF5F Skyrocket Jet Fighter
A prototype jet-powered fighter aircraft developed by Grumman during World War II. It was one of the first jet fighters to be developed and was a significant technological advancement.
Gh.K. 43 (Anti-Personnel Mine)
A German anti-personnel mine developed during World War II but not adopted for service. It was intended to be a more effective anti-personnel mine than the earlier Gh.K. 40 but never saw widespread use.
Gh.K. 43 (Anti-Tank Mine)
A German anti-tank mine developed during World War II but not adopted for service. It was intended to be a more effective anti-tank mine than the earlier Gh.K. 40 but never saw widespread use.