The 14-day mission to the International Space Station will deliver the Alpha Magnetic Spectrometer and spare parts that include two S-band communications antennas, a high-pressure gas tank, additional spare parts for the Dextre robot and micrometeoroid debris shields.
The First Labor Day. The first Labor Day holiday was celebrated on Tuesday, September 5, 1882, in New York City, in accordance with the plans of the Central Labor Union. The Central Labor Union held its second Labor Day holiday just a year later, on September 5, 1883.
In the United States, Labor Day is a federal holiday observed on the first Monday of September. It is customarily viewed as the end of the summer vacation season. Many schools open for the year on the day after Labor Day. The holiday is shared with Canada, where it is known as Labour Day.