A subcontractor of the NSF could be Lockheed Martin or affiliated with Lockheed.
Here's the announcement of another untimely death:
"Atkins was employed by PAE, an Arlington, Va.-based subcontractor to Lockheed Martin, which provides logistical support to the NSF-managed U.S. Antarctic Program. He worked as a technician at the station as a member of the austral summer workforce; this was his first deployment. "
www.nsf.gov/news/news_summ.jsp?cntn_id=133501