“We have a large engine on the back of the spacecraft that puts out a lot more thrust [than the 32 maneuvering thrusters on Cygnus], and this is the engine we use for orbit raising burns.

WASHINGTON — Potential damage to a Northrop Grumman Cygnus cargo spacecraft has led NASA to revise the manifest of an upcoming cargo Dragon mission to the International Space Station.

The most notable use of Cygnus as a test bed for new technologies was the three part SAFFIRE (Spacecraft Fire Experiment) conducted over the OA-6, OA-5, and OA 7 missions. SAFFIRE saw Cygnus ...