The Northrop Grumman Antares is a two-stage rocket designed to transport cargo to the International Space Station (ISS). It is primarily used for resupply missions under NASA's Commercial Resupply Services program. The rocket is launched from the Mid-Atlantic Regional Spaceport in Virginia and is known for its reliability and cost-effectiveness. Antares is powered by two AJ26 engines, which were originally developed for the N1 rocket in the 1960s. The rocket can carry a variety of payloads, including scientific experiments and supplies, using its Cygnus spacecraft for delivery to the ISS. Its successful missions contribute to ongoing research and international collaboration in space exploration.