Cool pic by by78 at the PLAN Fleet Supply Ship thread. Shows what's likely to be 175 refueling from 967 AOE, which is a Type 901.
Its a cool scene as it is sharp enough to notice the details at the back of 175. You can see the door for the VDS, with a small port for the TAS. There is another port to the left that is for the towed anti-torpedo decoy.
View attachment 69404
The door above the right-side hole opened on DDG 171's back:

			
				Last edited: 
			
		
	
								
								
									
	
								
							
							 
				 
 
		
 
 
		 
 
		