A new Collins Aerospace product in competition to replace a key Lockheed Martin F-35 subsystem is now cleared internally to move into full-scale development, the RTX-owned business says. Internal ...

Lockheed Martin Corp. is still delivering F-35 fighter jet aircraft with quality defects after 13 years of production, according to the Pentagon test office’s annual weapons-evaluations report.

A recent report from the Pentagon's test office found the F-35 program is still struggling to develop and test software, highlighting persistent challenges. The program “has shown no improvement ...