British Prime Minister Keir Starmer underscored the significance of the joint fighter jet program with Italy and Japan, following speculation that his new government might withdraw from the initiative, according to Reuters. Starmer is in Rome on an official visit, where he met with Italian Prime Minister Giorgia Meloni. The discussions covered defense matters, including the two countries’ participation in the Global Combat Air Programme (GCAP), known in Britain as Tempest. “We agreed on the vital importance of our collaborative defense programs, including GCAP, for our shared national security…