Airman 1st Class Jon Greko wanted to make the most of it when he saw his girlfriend Emma for the first time since basic training. Greko, who had proposed to Emma over the phone in October, wanted to properly get down on bended knee when he arrived home. And this time, he solicited the help of Delta flight attendants and passengers. Watch below as A1C Greko makes it official: [youtube http://www.youtube.com/watch?v=qrj8mHOFY5E]