2015


2015 – U.S. Space Workforce – Snapshot

The U.S. space workforce includes commercial, civil, and national security space workers. The commercial and civil workforce continued to decrease in size, with core industry employment dropping 3.2% from 2013 to 2014, a decrease of 7,234 workers.

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2015 – Annual Space Situational Awareness – Snapshot

In simplest terms, space situational awareness (SSA) is knowing what is happening, or possibly may happen, in the space around an object or point. For many organizations, such as the U.S. Strategic Command (USSTRATCOM), SSA is decidedly near-Earth focused, encompassing intelligence, surveillance, and…

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2015 – Satellite Orbits – Snapshot

According to the Union of Concerned Scientists, a total of 1,381 satellites were still operational at the end of 2015. These satellites are mostly located in low Earth orbit (LEO) between 200 and 2,000 kilometers (124–1,242 miles) of altitude. LEO is home to 759 active satellites, or 55% of the total. This family of orbits remains the main orbital location of satellites due to the wide range of missions it allows and to the low energy required to reach it, which typically results in lower launch costs.

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