"This states the exact place where you will be taken with external resouces. Once you get here, movement solely depends on you and you are on your own. The diference between the Mission Area and the Drop Point should be clear, since they could be different, while the first represents the actual place of intervention, the second states where you'll be considered effectively on duty and the mission time set to Zero. If the two places differs, it's up to you to reach the mission area from the drop point and the only means of movememt you'll be granted will be those you purchased with your Credits or you could always go on foot otherwise..."