(Editor's Note: This story has been updated with a statement from an F-35 joint program office spokesman.) Lockheed Martin may not deliver F-35 Joint Strike Fighters enabled with Technology Refresh 3 until the third quarter of this calendar year, CEO Jim Taiclet said today. While Lockheed is still aiming for a second-quarter delivery of the updated jets -- which was already a delay from the initially expected delivery at the end of 2023 -- a further delay “may be...