Combat use of Lockheed Martin Corp’s F-16 fighter jets in air strikes over Yemen, Syria and Iraq is spurring fresh demand for the warplane, which has sold 4,588 times and is in use by 27 countries, according to Lockheed officials.

Randy Howard, director of Lockheed’s integrated fighter group, told Reuters that current F-16 orders would keep the production line running through the fourth quarter of 2017, but other opportunities in Indonesia, the Gulf, eastern Europe and other regions could extend the line well into 2019 and beyond.

Rick Groesch, regional vice president for Lockheed in the Middle East, said a number of countries in the Gulf already operated F-16 jets, but others were taking a closer look after seeing successful use of the jets against Islamic State militants in Syria and Iraq, and insurgents in Yemen. […]