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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 WarnerLawmakers worry about rise of fake video technology Mueller indictment reveals sophisticated Russian manipulation effort GOP cautious, Dems strident in reaction to new indictments MORE (D-Va.) Barbara MikulskiBarbara Ann MikulskiDems ponder gender politics of 2020 nominee Robert Mueller's forgotten surveillance crime spree Clinton: White House slow-walking Russia sanctions MORE (D-Md.), Ron JohnsonRonald (Ron) Harold JohnsonTrump spars with GOP lawmakers on steel tariffs Overnight Regulation: Trump unveils budget | Sharp cuts proposed for EPA, HHS | Trump aims to speed environmental reviews | Officials propose repealing most of methane leak rule Trump budget seeks savings through ObamaCare repeal MORE (R-Wis.), Thad CochranWilliam (Thad) Thad CochranOvernight Finance: Breaking down Trump's budget | White House finally releases infrastructure plan | Why it faces a tough road ahead | GOP, Dems feud over tax-cut aftermath | Markets rebound McConnell tees up budget deal McConnell urging Mississippi gov to appoint himself if Cochran resigns: report MORE (R-Miss) and Marco RubioMarco Antonio RubioColbert: Students taking action on gun violence 'give me hope' Lawmakers feel pressure on guns Florida lawmaker's aide fired after claiming shooting survivors were 'actors' 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."