sentence1: تمت أرشفته من الأصل في 2008-10-07.  "Lockheed Martin Announces Sale Of Its Interests In International Launch Services And LKEI".
sentence2: Abgerufen am 25. Mai 2011 (PDF; 15 kB).  Lockheed Martin: Lockheed Martin Announces Sale Of Its Interests In International Launch Services And LKEI.