Engine upgrades

[taog]

Pratt Defining Engine Upgrade Package For Block 5 F-35

"...The intent is to deliver options for improving thrust by more than 10-12%, reducing fuel consumption by more than 5-6%, increasing vertical lift by about 2% and increasing overall power and thermal management capacity, Bromberg says. ..."

https://aviationweek.com/defense/pratt- ... ock-5-f-35

Is this option Grown 1.0?

Not op1 but op2.

"... Those targets are the proposed baseline improvements advertised for the Growth Option 2.0 upgrade, which remains in discussions for insertion beyond Block 4.2 aircraft delivered starting in 2026, he says. ..."