A system development project is developing a test vehicle to evaluate the viability and durability of $3$D printed metal parts in long$-$term endurance testing. This is an example of a project in which Life Cycle Stage:

Select the Life Cycle Stage that is the best fit for this project.

Group of answer choices

Concept Stage

Development Stage

Production $/$ Implementation Stage

Retirement $/$ Disposal Stage

Utilization $/$ Operations Stage

Support Stage