Analysis of information sources in references of the Wikipedia article "RD-180" in English language version.
Aerojet Rocketdyne is targeting a cost of $20–25 million for each pair of new AR-1 engines as the company continues to lobby the government to fund an all-new, U.S.-sourced rocket propulsion system ... The effort to build a new, 500,000-lb. thrust liquid oxygen/kerosene propulsion system would take about four years from contract award and cost roughly $800 million to $1 billion. Such an engine is eyed for United Launch Alliance's (ULA) Atlas V rocket as well as Orbital's Antares. … [we] 'believe [the AR-1 will be] on a par – if not better – than the performance of the RD-180. We also believe it is going to be more affordable,'
Aerojet Rocketdyne is targeting a cost of $20–25 million for each pair of new AR-1 engines as the company continues to lobby the government to fund an all-new, U.S.-sourced rocket propulsion system ... The effort to build a new, 500,000-lb. thrust liquid oxygen/kerosene propulsion system would take about four years from contract award and cost roughly $800 million to $1 billion. Such an engine is eyed for United Launch Alliance's (ULA) Atlas V rocket as well as Orbital's Antares. … [we] 'believe [the AR-1 will be] on a par – if not better – than the performance of the RD-180. We also believe it is going to be more affordable,'
