The AWS received seven SCR - 270 mobile units .
Only two were operating on 8 December : one in full operation at Iba , and a Marine Corps unit training at Nusugbu in Batangas Province .
The AWS received seven SCR - 270 mobile units but only two were operating on 8 December : one in full operation at Iba , and a Marine Corps unit training at Nusugbu in Batangas Province .