Did anyone notice the mysterious helicopter flying along the shoreline Thursday afternoon? We first saw it flying over U.S. 98 in the Miramar/Destin area towards KDTS, then later (around 3 or 4 in the afternoon) flying east and then west above the coastline in Seagrove. It appeared to be a 1960s or 1970s era military transport or search & rescue helicopter, possibly a Sikorsky CH-3 or HH3, or a Russian Mil Mi-8. It had no military markings, butit did have a "?" on the side and a tail number which I mistakenly typed as N171BW. It looked like something off of LOST.