Mezue ahịrịokwu na-esonụ: Ryan FR Fireball bụ ụgbọ elu ndị America na-agba ọsọ (piston na jet-powered) nke Ryan Aeronautical mere maka United States Navy n'oge Agha Ụwa nke Abụọ. Ọ bụ ya bụ ụgbọelu mbụ ndị agha mmiri nwere nke nwere injin na-efe efe. Naanị ụgbọelu 66 ka e wuru tupu
Ndị Japan chịliri aka elu n'ọnwa asatọ n'afọ 1945. FR-1 Fireball kwadebere otu otu ndị agha tupu agha ahụ agwụ, mana ahụghị ọgụ. N'ikpeazụ, ụgbọelu ahụ gosipụtara na ọ dịghị ike ọ bụla dị mkpa maka ọrụ ndị na-ebu ụgbọelu ma wepụ ya n'etiti 1947.