US Pacific Coast Assault-troops practise invasion tactics.
USA: Northwest Pacific Fort:
Troops climbing cliff notice "MOUNTAINEERING TRAINING AREA" in foreground / troops climbing cliff / soldier climbing up wooden poles / troops jumping down side of cliff, holding rope / troops crawling under barbed wire / troops throwing wire netting across barbed wire entanglement and troops running across wire netting / soldiers handing out mines from truck to soldiers and soldiers digging holes in field for mines / soldier burying mine in hole / two tanks past and explosions / tank maneouvring across tank traps
United States of America; Military - Active
Background: US Pacific Coast Assault-troops practise invasion tactics.