Titan Appoints Ethics-Compliance Officer  NEW YORK (Reuters) - Titan Corp. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=TTN.N target=/stocks/quickinfo/fullquote"&gt;TTN.N&lt;/A&gt;, a defense  contractor that saw its proposed purchase by Lockheed Martin  Corp. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=LMT.N target=/stocks/quickinfo/fullquote"&gt;LMT.N&lt;/A&gt; scuttled as a government bribery probe dragged  on, said on Tuesday it had appointed a compliance and ethics  officer.