 That evening Sergeant Ernest R. Kouma led the patrol of two M26 Pershing tanks and two M19 Gun Motor Carriages in Agok . Kouma placed his patrol on the west side of Agok near the Kihang ferry . At 20 : 00 a heavy fog covered the river , and at 22 : 00 mortar shells began falling on the American @-@ held side of the river . By 22 : 15 this strike intensified and North Korean mortar preparation struck A Company 's positions . American mortars and artillery began firing counterbattery . Some of the A Company men reported they heard noises on the opposite side of the river and splashes in the water . 
 That evening Sergeant Ernest R. Kouma<a href='been_done' title='1'><mark></mark></a> led the patrol of two M26 Pershing tanks and two M19 Gun Motor Carriages in Agok . Kouma placed his patrol on the west side of Agok near the Kihang ferry . At 20 : 00 a heavy fog covered the river , and at 22 : 00 mortar shells began falling on the American @-@ held side of the river . By 22 : 15 this strike intensified and North Korean mortar preparation struck A Company <a href='null_genetive' title='2'><mark>'s</mark></a>positions . American mortars and artillery began firing counterbattery . Some of the A Company men reported they heard noises on the opposite side of the river and <a href='uninflect' title='3'><mark>splashes</mark></a> in the water . 
That evening Sergeant Ernest R. Kouma done led the patrol of two M26 Pershing tanks and two M19 Gun Motor Carriages in Agok . Kouma placed his patrol on the west side of Agok near da Kihang ferry . At 20 : 00 a heavy fog covered tdariver , and at 22 : 00 mortar shells began falling on the American @-@ held side of thdaiver . By 22 : 15 this strike intensified and North Korean mortar preparation struck A Company  positions . American mortars and artillery began firing counterbattery . sum of the A Company men reported they heard noises on the opposite side of thedaver and splash in the water .