The static objects placed on the carrier are not seen the same by each player online.
For example: Mission builder added - 1 SH60, 1 Tow tractor, 5 Deck Crew, 1 S3 Tanker
Player one sees: 1 SH60 and nothing else
Player two sees: 1 SH60, 5 Deck crew, 1 S3 (but no Tow tractor)
Player three see: 5 Deck crew and nothing else
This happens online in both Caucasus and PG theatre