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Those sending congratulations to NASA and SpaceX included House Minority Whip Steny Hoyer (D-Md.) and Sens. Charles Schumer (D-N.Y.), Mark WarnerMark Robert WarnerOvernight Cybersecurity: Equifax hit by earlier hack | What to know about Kaspersky controversy | Officials review EU-US privacy pact Overnight Tech: Equifax hit by earlier undisclosed hack | Facebook takes heat over Russian ads | Alt-right Twitter rival may lose domain Facebook under fire over Russian ads in election MORE (D-Va.) Barbara MikulskiBarbara MikulskiGore wishes Mikulski a happy birthday at 'Inconvenient Sequel' premiere Bipartisan friendship is a civil solution to political dysfunction Dems press for paycheck fairness bill on Equal Pay Day MORE (D-Md.), Ron JohnsonRonald (Ron) Harold JohnsonSenate Dems hold floor talk-a-thon against latest ObamaCare repeal bill Sen. Cassidy plans to bring down Medicaid Senate committee schedules hearing on health care block grants MORE (R-Wis.), Thad CochranWilliam (Thad) Thad CochranMcConnell tees up debt, government-funding vote National Flood Insurance Program is the next storm for hurricane survivors Trump exempts Citgo from Venezuela sanctions MORE (R-Miss) and Marco RubioMarco Antonio RubioOvernight Defense: Senate passes 0B defense bill | 3,000 US troops heading to Afghanistan | Two more Navy officials fired over ship collisions Senate passes 0B defense bill Trump bets base will stick with him on immigration MORE (R-Fla.).

"This is a historic milestone for space exploration and an important achievement for the commercial space industry," Rubio said in a statement. "We no longer live in a world where space is only explored by government agencies, and we should all take pride that an American company is the first to accomplish this mission."