<span style="color: #222222;">Japan said today it has recovered some debris from a stealth fighter jet that crashed last month, but was still looking for the all-important memory that could offer clues into the accident.  <br />''<br />''Nearly a month after the high-tech F-35A plummeted into the sea off the coast of northeastern Japan, neither the pilot's body, nor the plane's fuselage have been found.  Defence Minister Takeshi Iwaya said the Defence Ministry is studying the parts, but at this point, the all-important memory of the flight data recorder has not been recovered. The flight data recorder has been found in significantly damaged condition.</span><br />'' <br />'' <span style="color: #222222;">The fighter jet went missing on April 9 while flying 135 kilometres east of Misawa, northeastern Japan, on a training mission.</span><br />''  <br />