New Frontier Aerospace says it has put its 3D-printed Mjölnir rocket engine through a series of successful hot-fire tests.

New Frontier Aerospace's 3D printed Mjölnir rocket engine successfully completed hot fire tests, creating opportunity for ...

New Frontier Aerospace (NFA) has successfully completed a series of hot fire tests of its additively ...

K ent, Wash.-based New Frontier Aerospace says it has put its 3D-printed Mjölnir rocket engine through a series of successful hot-fire tests, in preparation for an initial flight test of a ...