LRIP means Low Rate Initial Production. Please, folks, some of the visitors to this site aren't familiar with terms and abbreviations. Spell it out for 'em so that they can understand and be encouraged to remain involved with the forum.
MCIGuy From United States of America, joined Mar 2006, 1936 posts, RR: 0 Reply 3, posted (7 years 2 months 2 weeks 3 days 2 hours ago) and read 6299 times:
The F135 engine was just very recently approved for "installed run". In other words, to run up the engine that's actually already in the aircraft. The budget cuts are the same old story unfortunately. They'll delay production, drive up the cost, then turn around and say "it's too expensive, let's only buy a few".