Joint Doctrine for Amphibious Operations - Historic Naval Ships ...

Chapter XIIthe demonstration force as to the approach ofthe main body.c. Proper coordination and timing is ofutmost importance in the final stages of theapproach of all elements of each movementgroup to prevent interference betweenelements and permit each to arrive at itsassigned position at the proper time tocommence its task. Careful, precise, andaccurate navigation is essential. Additionalcomplications for the main body may becaused by the presence of an advance forcealready in the landing area. The advance forcecommander is responsible to ensure thatelements of the advance force do not interferewith the approach of the main body. Whenthe amphibious force is composed of two ormore task groups, the CATF normallycoordinates the approach of the various taskgroups, but the task group commander isresponsible for the movements of eachindividual task group.XII-10JP 3-02