US aerospace firm Boeing has reported a 33% fall in quarterly profit after taking a charge over delays to a military refueling aircraft.
Boeing said net earnings for the three months to the end of June were $1.11bn (£710m) from $1.65bn a year earlier.
Boeing took a $536m charge over its efforts to solve an issue with the fuel system on its KC-46A tanker plane.
Boeing has committed to delivering 18 tankers to the US Air Force by August 2017, with 179 due by 2027.
As a result of the charge, Boeing now expects core earnings of $7.70-$7.90 per share for 2015, down from its previous forecast of $8.20-$8.40 per share.
However, the Boeing said overall revenue in the quarter rose 11% to $24.5bn helped by record commercial airplane deliveries, which rose 9% from a year earlier to 197.
Boeing is on track to break a new annual record for commercial aircraft deliveries after 381 deliveries in the first half of 2015.
The company also maintained its annual revenue forecast of between $94.5bn and $96.5bn.