![A Marines Osprey lands aboard the USS Somerset, Feb. 27, 2014, in Philadelphia.](https://imagenes.elpais.com/resizer/v2/SQ4SCVXTNNGYNIAHSYQ5NCKVLU.jpg?auth=f1577ca7f0672beb086bf935bd20a647591915b27fb579ad9bf3ed06a924ff98&width=414&height=233&smart=true)
Congress launches an investigation into the Osprey program after the deadly crash in Japan
The Osprey is a fast-moving airframe that can fly like both a helicopter and an airplane — but its many crashes have led critics to warn it has fatal design flaws