Lockheed cites issue with F-35 software, no delay in Marine target combat use

WASHINGTON, Feb 18 (Reuters) - Lockheed Martin Corp may need to update the 2B software needed for the F-35 fighter jet to deal with issues that arose during testing, but that should not delay the Marine Corp's plan to declare the jet ready for combat use in July, the head of the company's aeronautics division said Wednesday.