In the end , Hambleton and Clark are rescued by a US river boat patrolling nearby on the Cam Lo River .
A F - 100 bombing raid both assists and hinders their progress through the jungle , as North Vietnamese irregulars are trailing them .
Hambleton and Clark are rescued by a US river boat patrolling nearby on the Cam Lo River .
A F - 100 bombing raid both assists and hinders their progress through the jungle , as North Vietnamese irregulars are trailing them .