And most recently with SOFIA at the end of June: https://sofia.usra.edu/News/news_2015/06_29_15/index.html https://sofia.usra.edu/News/news_2015/06_29_15/index

And most recently with SOFIA at the end of June: https://sofia.usra.edu/News/news_2015/06_29_15/index.html https://sofia.usra.edu/News/news_2015/06_29_15/index.html This will help tie in past and future occultation observations to the New Horizons data.