Imagine our surprise when we learned [Bruce Simpson], who made headlines in 2003 with his $5000 DIY cruise missile ... the epitome of an easy-to-build jet engine. To get an idea of how fast ...

A US defence contractor is facing scrutiny after allegations surfaced that its latest weapon system may be using a jet engine ... the missile’s 3D-printed body and engine assembly.

It makes engines for unmanned vehicles, like cruise missiles and drones ... Metal powder enters on one side of the facility and a jet engine comes out the other side. The whole process from ...