I tired to book a new trip to Japan using the "World Perks" miles I had earned in the 90's with Northwest Orient I had over 20K miles. It is not yearly I can go to Japan but I am going this year so I called NWA to use my miles. I was told my miles were gone! They said they sent me a travel voucher in 1998 that was only valid for 1 year. Well I never remember getting a voucher and now my miles are gone and I am screwed. I called Northwest Oreint and was told too bad your miles are gone and there is nothing you can do about it. So... read full review »