Lok Col. Lim Si Sa Art was commandant c.i PS-18 PAK SE province LAOS 1970 I was trained there with 15b.i 201bc under Lok Major NGINN ROUS battalion commander 201bc 1970 Laos . 1972 lok Lim Si Sa Art formed new b.i 37b.i 361bc at Banteay CHKER near Chinese Embassy PP 1972 I joint his new recruits battalion and sent to trained in SVN LAM SON camp . Heard Lon Non corruption sided with communist KR made lok Lim Si Sa Art died in battles of Neak Loeung 1975 . Sad and missed him true KHMER hero .