The identification, by date, of North Korean units opposing the 1st Marine Division is indicated below: 15 September 226th Ind Marine Regt 2,000 defending Wolmi-do (2 Bns). and Inchon 918th Art Regt (2 Cos) 200 defending Wolmi-do 16 September 18th Rifle Div (Opposing 300 POWs and 1,350 1st Marines) enemy casualties for the first two days, 15 and 16 Sep 17 September 42d Mech (Tank) Regt Lost 14 T-34 tanks (Opposing 1st Marines) 107th Security Regt 400 POWs and 350 enemy (Kimpo) (Opposing casualties KMC & 5th Marines) 18 September NK Air Force EngBn 197 POWs and 450 enemy (Opposing 5th Marines) casualties 19 September No additional 126 POWs and 600 enemy identifications on casualties fronts of 1st and 5th Marines 20 September 78th Ind Regt (Opposing 326 POWs and 600 enemy 5th Marines) No casualties additional identifications on front of 1st Marines 21 September No additional identifications 355 POWs and 1,350 enemy casualties 22 September Rehabilitation Bn (Opposing 395 POWs and 1,250 1st Marines). casualties 25th Inf Brig (Opposing 5th Marines) 31st Rifle Div (Seoul City Regt) (Opposing 5th Marines) 23 September No additional identifications 169 POWs and 900 casualties 24 September do 67 POWs and 950 casualties 25 September do 142 POWs and 1,750 casualties 26 September 76th Ind Regt 407 POWs and 950 43d Tank Regt casualties 19th AA Regt 513th Art Regt 17th Rifle Div (Opposing 1st & 5th Marines) 27 September No additional identifications 139 POWs and 1,252 casualties 28 September do 206 POWs and 332 casualties 29 September do 507 POWs and 102 casualties 30 September do 328 POWs and 305 casualties