India makes breakthrough by test-firing new 3D-printed rocket engine (photo)
India recently performed a successful hot-fire test of a rocket engine that was built using 3D printing technology, a breakthrough that could boost the nation's spaceflight prospects.
TroibNews 
India recently performed a successful hot-fire test of a rocket engine that was built using 3D printing technology, a breakthrough that could boost the nation's spaceflight prospects.
