Bird Dog was 20th TASS O-1E's assigned to the 2nd ARVN Div at Quang Ngai and Tam Ky, I Corps, prior to about 1 Oct 66 when the call sign changed to Jake.  Our birds were the ones that sported the teeth and tongue that are painted on the O-1 at the Hurlburt FAC memorial.
 
Chuck McCalip, CMSgt, Ret
Admin/Intel, Adv Team 2, 66