AB or OS for officer rank | Which is better ?

TIME STAMP ________________________ 1. OS Adv & Disadv - 02:20 2. AB Adv & Disadv - 05:04 3. Seniors Suggestion - 09:00 ------------------------------------------------ Hello friends I hope you all are doing well. If you still have some doubts then do not hesitate to ask, just comment down below. Do share the video with your friends. I will be very happy to answer all your queries. or you can message me on my Instagram. ------------------------------------------------------------------------------------------------------- Instagram account. - @akashsince1996. ------------------------------------------------------------------------------------------------------- Telegram channel:- https://t.me/+5NxHw4Wh1D9kNmVl Get all PDF Files in my Telegram Channel. ------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------- Synergy Marine Company Interview Questions for Ratings    • Synergy Marine Company Interview Questions...   ------------------------------------------------------------------------------------------------------- Don't forget to subscribe to my Youtube Channel & press the bell icon for notifications. Thank you Have a Great Day #trending #lifeatsea #maritime #ship #instaship #sailor #sea #seafarer #seaman #coolmariners #merchantmarine #sealife #shipping #shiplife #instashipping #shipspotting #sailorlife #seafarers #sailors #humansatsea #deckcadet #ocean #mariners #seamanlife #vessel #nautical #marineengineer #merchantnavygallery #mariner #bhfyp