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.
Labor Day is always observed on the first Monday of September. This means that it is connected with the weekend before it, creating a three day weekend for most people who are employed on a regular Monday through Friday work week. Also, since it is in September, Labor Day usually marks the end of summer time.