Pratt & Whitney delivers first F135 engine for low rate initial production Lot 3

Pratt & Whitney has delivered the first F135 engine for low rate initial production (LRIP) 3 to the U.S. Government for the F-35 Lightning II program. F135 engines in LRIP 3 meet established affordability targets and include engine modifications and improvements based on findings from the F-35 flight test program. As part of LRIP 3, Pratt & Whitney will begin delivery of F135 engines to all three branches of the U.S. Armed Forces, as well as F-35 partner countries the United Kingdom and The Netherlands. Pratt & Whitney has delivered all 20 of the F135 engines in LRIP 1 and 2.