 A month later "Herbert J. Thomas" was assigned to the blockading force on Korea's east coast, and rendered highly effective gunfire support missions for our forces at Pohang, inflicting much damage on the enemy.While operating with the blockading forces, she furnished interdiction fire all along the eastern coast and fired a diversionary mission for British commandos who were landed from submarine to destroy a vital railroad tunnel.At 1329 on the afternoon of 4 September, "Herbert J. Thomas" was on picket duty about 60 miles north of Admiral Ewen's main force when she made radar contact on unidentified aircraft and reported this to aircraft from passing overhead.