Complex sentence: Formed on October 10,1927, it was owned by the Argentine government until 1995, when it was privatizated to Lockheed Martin for 25 years with two additional ten-year options.
Split into simpler sentences: Formed on October 10,1927 it is owned by the Argentine government. It was privatizated in 1995 with Lockheed Martin given its concession for 25 years with two additional ten-year options.