anchor.diff:  	// plugging the existing shuttles old values in works fine.
   	preview_shuttle.timer = timer
   	preview_shuttle.mode = mode
  -
  -	preview_shuttle.register(replace)
   
   	// TODO indicate to the user that success happened, rather than just
   	// blanking the modification tab
  
positive.code: 	// get the existing shuttle information, if any
  	var/timer = 0
  	var/mode = SHUTTLE_IDLE
  	var/obj/docking_port/stationary/D
  
  	if(istype(destination_port))
  		D = destination_port
  	else if(existing_shuttle && replace)
  		timer = existing_shuttle.timer
  		mode = existing_shuttle.mode
  		D = existing_shuttle.get_docked()
  
  	if(!D)
  		D = generate_transit_dock(preview_shuttle)
  
  	if(!D)
  		CRASH("No dock found for preview shuttle ([preview_template.name]), aborting.")
  
  	var/result = preview_shuttle.canDock(D)
  	// truthy value means that it cannot dock for some reason
  	// but we can ignore the someone else docked error because we'll
  	// be moving into their place shortly
  	if((result != SHUTTLE_CAN_DOCK) && (result != SHUTTLE_SOMEONE_ELSE_DOCKED))
  		CRASH("Template shuttle [preview_shuttle] cannot dock at [D] ([result]).")
  
  	if(existing_shuttle && replace)
  		existing_shuttle.jumpToNullSpace()
  
  	var/list/force_memory = preview_shuttle.movement_force
  	preview_shuttle.movement_force = list("KNOCKDOWN" = 0, "THROW" = 0)
  	preview_shuttle.mode = SHUTTLE_PREARRIVAL//No idle shuttle moving. Transit dock get removed if shuttle moves too long.
  	preview_shuttle.initiate_docking(D)
  	preview_shuttle.movement_force = force_memory
  
  	. = preview_shuttle
  
negative.code: 
  	QDEL_LIST(remove_images)
  
  /**
   * Loads a shuttle template and sends it to a given destination port, optionally replacing the existing shuttle
   *
   * Arguments:
   * * loading_template - The shuttle template to load
   * * destination_port - The station docking port to send the shuttle to once loaded
   * * replace - Whether to replace the shuttle or create a new one
  */
  /datum/controller/subsystem/shuttle/proc/action_load(datum/map_template/shuttle/loading_template, obj/docking_port/stationary/destination_port, replace = FALSE)
  	// Check for an existing preview
  	if(preview_shuttle && (loading_template != preview_template))
  