Delta G was an expendable launch system. Originated in the USA there was a total of two launches. This craft is now retired. Last flight 9.7.67 unless referring to the thermodynamic potential..

All of these are considered imminently expendable by the system.

In World War 1, the generals planning the fighting treated the common soldiers as expendable because replacement troops were easily conscripted.

With a growing workforce needing entry level jobs, I was expendable as a waitress.

PSLV-C2 was the first Indian Expendable launch vehicle to carry and deploy more than one satellite in a mission

Improved Launch Control System was created in 1979.

Expendable was created in 1997.