The chopper I have used is the CH-46 Sea Knight and that's the correct chopper.
Oh the small one! OK.
Yes, i have used the older version of the IPDMS Mk 29 launcher 'Cause the drawing shows the ship in 1994.
Then you shall use the MK-29 on the parts sheets sin that one looks more like the MK-29. It's no need to draw a different Mk-29 because you are drawing a ship from 1994.
The CIWS Mk 15 Block 0, well, I have give him a "new" look like I have do it with all versions of the Phalanx series.
Phalanx Block 0 on the parts sheet is the correct one.
BTW.
This is up to you. but for us on shipbucket it is nice when someone using the correct and updated parts. some are correct in size and in the visual way.It will just look better! So why draw a new one when we have a god one from before!?!