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Moon Dust Auction
The Apollo 11 Contingency Lunar Sample Return Bag used by astronaut Neil Armstrong, to be offered at auction, is displayed at Sotheby's, in New York, Thursday, July 13, 2017. The lunar dust plus some tiny rocks that Armstrong also collected are zipped up in a small bag and are worth an estimated $2 million to $4 million. (AP Photo/Richard Drew)
Congress Budget
FILE - In this March 10, 2017 file photo, House Budget Committee Chair Rep. Diane Black, R-Tenn. speaks on Capitol Hill in Washington. House Republicans on Tuesday, July 18, 2017, unveiled a budget that makes deep cuts in food stamps and other social safety net programs while boosting military spending by billions, a blueprint that pleases neither conservatives nor moderates. (AP Photo/J. Scott Applewhite, File)
International Flights Security
FILE - In this March 22, 2017, file photo, an Emirates plane taxis to a gate at Dubai International Airport at Dubai International Airport in Dubai, United Arab Emirates. Travelers flying to the U.S. from nearly 300 international airports, including those in Mexico and Canada, are now subject to stepped-up security measures that include stricter screening for electronic devices larger than cell phones. The new measures may include asking passengers to present larger electronic devices for inspection and prove they can be powered on.(AP Photo/Adam Schreck, File)
SpaceX
FILE - In this Sept. 27, 2016 file photo, SpaceX founder Elon Musk speaks during the 67th International Astronautical Congress in Guadalajara, Mexico. On Wednesday, July 19, 2017, Musk said the first launch of its big new rocket, the Falcon Heavy, is risky and stands “a real good chance” of failure. (AP Photo/Refugio Ruiz, File)
A crew from Velocity Constructors, Inc., in Denver work on a new ion-exchange filter system Wednesday, May 17, 2017, at the Southmoor Water Treatment Plant for the Widefield Water and Sanitation District. (The Gazette, Christian Murdock)
A crew from Velocity Constructors, Inc., in Denver work on a new ion-exchange filter system Wednesday, May 17, 2017, at the Southmoor Water Treatment Plant for the Widefield Water and Sanitation District. (The Gazette, Christian Murdock)
Hungary Railway Bomb Threat
A tourist asks for information from a railways employee at the main railway station in Budapest, Hungary, Wednesday, July 19, 2017, as Hungarian police inspects all international trains arriving in Hungary after receiving an anonymous bomb threat. MAV, Hungary's state railway company, said that police haven't found any explosives on any of the trains searched so far, but the checks will continue on all international trains entering Hungary until midnight (2200 GMT; 6 p.m. EDT), so passengers should expect delays.(AP Photo/Eldar Emric)
US Mexico Laptops on Flights
FILE - In this June 19, 2017 file photo, a person works on a laptop in North Andover, Mass. Mexican authorities say the U.S. Department of Homeland Security has instituted heightened security measures for laptops and tablets on U.S.-bound flights from Mexico, starting Wednesday, July 19, 2017. (AP Photo/Elise Amendola, File)
Congress Budget
FILE - In this March 10, 2017 file photo, House Budget Committee Chair Rep. Diane Black, R-Tenn. speaks on Capitol Hill in Washington. House Republicans on Tuesday, July 18, 2017, unveiled a budget that makes deep cuts in food stamps and other social safety net programs while boosting military spending by billions, a blueprint that pleases neither conservatives nor moderates. (AP Photo/J. Scott Applewhite, File)
Military Hacking
In this photo taken Dec. 9, 2015, Joints Chiefs Vice Chairman Gen. Paul Selva testifies on Capitol Hill in Washington. Selva said Tuesday, July 18, 2017, his bank account was targeted as part of a massive government data breach and dealing with the hack was a distraction from his job. (AP Photo/Pablo Martinez Monsivais, File)