[ZOOKER]

In the original specs they put out for bids was the concept of commonality - the Navy and Air Force variants were to be nearly identical, generating cost savings in spare parts, tooling, training of the mechanics, as well as pilot training.

Even the Marine variant, with its STO/VL equipment, was to share around 60% of components with the other models.

Making the F-35 with two different engines kind of defeats the purpose, doesn't it?

[ErnstStavroBlofeld]

This was a Democratic baby. The members of the Democratic HASC was pushing this program.

[Yo-Yo]

Making the F-35 with two different engines kind of defeats the purpose, doesn't it?

The F135 and F136 are to share common mounting points and electrical, hydraulic, and fuel connections, to be completely interchangeable.