The company confirmed that the Dream Chaser vehicle can meet NASA requirements for transporting cargo to and from the space station.
The spacecraft, a landing technology demonstrator, flew to Mars on the ExoMars 2016 mission, but crashed when it prematurely shut down its thrusters.
The Chandrayaan-2 spacecraft would include an orbiter and a lander, with that lander carrying a rover.
Wind conditions at the New Zealand launch site subsided, but the company said concerns about static electric charges led them to postpone the launch.
The company said Sunday that high winds at its New Zealand launch site prevented rolling the rocket out to the pad, pushing back the launch to late Monday.
About 650 customers are already holding tickets for SpaceShip Two, said Stephen Attenborough, commercial director of Virgin Galactic.
NASA is going ahead with these plans even though the administration's fiscal year 2018 budget blueprint included no funding for a Europa lander mission.
The joint venture of Airbus and Safran was created in 2015 as part of a reorganization of the European launch vehicle industry.
Currently, the station is in direct contact with Russia only when passing over Russian ground stations, relying on NASA the rest of the time.
Astronauts Peggy Whitson and Jack Fischer were set to begin the six-and-a-half-hour spacewalk around 8 a.m. Eastern, but the start has been delayed by small water leak in an airlock umbilical line.
LeoSat is developing a constellation of 108 low-Earth-orbit satellites that will provide high-throughput communications.
Frank DiBello said a shortage of trained workers could become the "Achilles' heel" in the state's efforts to attract space companies.
The company completed a series of hot-fire tests on the preburner design for the AR1, keeping the program on schedule to be flight-ready by 2019.
The launch window extends until 7:19 p.m.Eastern. The rocket is carrying the SGDC communications satellite for Brazil and the Koreasat 7 communications satellite for South Korean operator KTSat.