Lockheed Martin Corp on Tuesday said it expected to finalize big contracts in 2016 to sell up to four warships to Saudi Arabia and a THAAD ballistic missile defense system to Qatar, helping the company continue to boost foreign sales.

Chief Executive Marillyn Hewson told analysts that Lockheed had an international backlog of $20 billion in 2014, and remained on track to boost international sales to 25 percent of overall revenues in coming years. Lockheed forecast 2015 revenues of $45 billion.

Hewson cited continued strong demand for Lockheed products, including its F-35 and F-16 fighter jets, the C-130J transport plane, and missile defense equipment. […]