Complex sentence: On 8 August 2012, DSCA announced Thailand's intention to acquire the Evolved Sea Sparrow missile and associated equipment to upgrade the frigates and a Letter of Offer and Acceptance was signed with Raytheon on 14 January 2013.
Split into simpler sentences: On 8 August 2012, DSCA announced Thailand's intention to acquire the Evolved Sea Sparrow missile and associated equipment to upgrade the frigates. A letter of offer and acceptance was signed with Raytheon on 14 January 2013.