​​Bridge officer
Overview
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A Bridge officer (sometimes called by the acronym, "BOFF") in Star Trek Online is a commissioned member of your bridge crew. Bridge officers are available to the player in bothground and space play. Players can view their current bridge officers by opening their status screens (defaulted to the U key on your keyboard). On the left side of this window lists your player, ship and bridge officer stats and information. A Captain may maintain no more than 54 bridge officers.
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Development
Players can develop their bridge officers much like they develop their own character by giving them promotions and new skills.
Promotions
Players can promote their officers when they have spent a sufficient amount of skill points on them, such as ranking the officer from Ensign/Bekk to Lieutenant would require the player has spent a minimum of 200 bridge officer skill points on their abilities. To promote an officer use the Career Options button at the bottom of an officer's status page. Select the Promote option and a dialogue box will be opened with details of the promotion.

Careers and ranks
Bridge officers follow a similar rank system to that of players however the highest ranked bridge officer a player can attain currently is that of Commander. This adheres to Star Trek lore as except in extremely rare cases you would never find more than one Captain or Admiral as part of ship's main crew.
In addition to following a similar ranking system, they also follow the same profession choices that a player can choose for themselves - which are Engineering, Tactical and Science. On most ships, players always have at least one position available to each profession. Some ships, such as the Klingon Bird-of-Prey and Danube Class Runabout, have universal bridge slots. Universal bridge slots mean you can put any profession of officer in that station.

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Candidates​
Elsa Mora is in Earth Spacedock
Bridge officer candidates are primarily available from the requisition officer, such as Elsa Mora at the Earth Spacedock or V'Qlar in First City. To acquire new candidates players must "buy" the candidate using Dilithium. Once acquired the candidate does not automatically join your bridge crew and instead the player must select the purpose of the candidate. A Captain may maintain no more than twelve (12) candidates.
List of Bridge Officer Vendors
 Ensign Bariet Jaran at Shipyard, Starbase 39-Sierra
 Elsa Mora at Personnel, Earth Spacedock
 Ensign Jaymahn at Club K7, Deep Space K-7
 Commander Kotra at Lounge, Ganalda Space Station
 Commander V'Qlar in the barracks at First City
 An officer at Operations, Deep Space 9

Candidates have two purposes, they can either become a full member of your bridge crew or they can be used to train a current bridge officer with a new skill. The skills they can train are directly related to the candidate in question and different candidates have different skills.
For either purpose the player must first give the candidate a commission. This is done by opening up your status window (defaulted to the U key on your keyboard). Once this window has opened, navigate to the "Stations" tab. This tab will show you your current ships stations, your standard away team and your bridge officer candidates. To give the candidate a commission right click on the candidate you wish to give the commission to and a menu will appear with an option to do so.
Candidates are also obtained periodically from Starfleet for free when a candidate asks to be assigned to your ship.
Commissioned Officers
When an officer candidate becomes part of your crew, they are Commissioned Officers. You must have Bridge Officer slots to add more officers. As you level up in rank, you gain more slots. You can also purchase more slots from the C-Store.
To commission a candidate to a bridge officer:
 Right click on the candidate
 Select commission
Once a candidate is commissioned, you can PROMOTE them to a higher rank, which enables their higher space and ground abilities. You can only promote an officer to a rank below yourself. The first time you can promote officers is when you achieve the rank of Lt.Cmdr.
When you are able, you can also train some of your abilities to a bridge officer of your same division; engineering, tactical, or science.
Once a candidate becomes a bridge officer, you can no longer sell him/her/it on the Exchange. You can however still trade the officer directly with another player. These options are detailed in the "Trading and Exchanging Officers" section.
Fully fledged officers who already have a commission can sometimes be obtained through quests, notably quests early in the game when the player doesn't have any or only 1 or 2 officers.
Rarity
Bridge officers and candidates have a system of rarity similar to items, which affects their traits:
Rarity Traits:
Common 2x Basic
2x Standard
Uncommon 1x Basic
3x Standard
Rare 1x Basic
2x Standard
1x Superior
Very Rare 2x Standard
2x Superior


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Once you've acquired a bridge officer candidate, you may want to trade that officer.

​Direct Trade
You can trade your Commissioned bridge officer with someone else, and have them train him/her/it in abilities. Special Bridge Officers (Amazon/C-Store Borg, EMH, Breen, Reman, Jem'Hadar) cannot be traded this way.
 You need to be within 5 feet/5 km with another player character to trade
 Open the trade dialogue (target the person, right click on their portrait, select trade)
 Go to your character status window, you can drag a commissioned officer into the trade window, or you can drag a candidate from the 'Assignments' tab
The person you are trading to must have an open Bridge Officer slot, as well as be able to use officers of the rank in question, and the officer must be unequipped of all gear.
Through The Exchange
Candidates (in the Assignments tab) can be traded with other players; either through direct trade, or via the exchange. In both cases no Merits/Honor are used, but candidates on the exchange cost energy credits, and the costs of direct trade are at the discretion of both parties.
Via Mail
Candidates can be sent through the mail to other characters (on a players account) or other players. This can only be done at a mail console that allows adding items to a message.
 Go to a mail terminal
 Compose a new message
 Open the Character Status window
 Switch to the Assignments tab
 Drag the candidate to an open item slot in the mail window
Note that once you have commissioned a candidate to Bridge Officer, you can no longer mail them.
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Points
Bridge officers use a skill point system much like players use for their character however they are specifically called bridge officer skill points. See main article: Bridge officer skill point
Getting new abilities
There are three known methods of giving new abilities to your officers.
The first is by using candidates. When you have a candidate and have given then a commission you are confronted with a new window to select their purpose. The two main choices are "Train Up" and "Join". Join would immediately place them into your crew as an officer. Train up allows you to switch abilities on another officers. Abilities can only be switched with officers and candidates of the same career. To switch an ability, click the Train up option. This presents players a window for the them to choose the ability they want to be trained to one of their current officers. Simply select the ability, then the officer, then click the "Train" button.
The second is by directly using a trainer such as the unnamed Bridge Officer Trainer located in the Personnel section of the Earth Spacedock or the Warriors Hall of First City. To train a new ability simply find the ability you want, click on it to open up a small drop down menu, choose the bridge officer you wish to give the ability too and then finally select the "Train" button. This method is much easier than the candidates option as abilities are easier to acquire, however typically costs more to do.
The third option is available through your player. When your player reaches rank 3, 6 or 9 in certain abilities you may teach those abilities to bridge officers for free. To do this open up your status window (default: U key) and choose your Captain from the left side menu. When chosen your Captain will be displayed on screen. At the bottom of this window is a button called "Train Officer". If you have no abilities that can be trained to an officer this button will disabled.
Be cautious as this will remove the current ability that the bridge officer has. Such as if I bought a new engineering candidate that has the Ensign/Bekk level Engineering Team I ability and wanted to give this to my current engineering officer who already has an Ensign/Bekk level ability of Emergency Power to Shields I, it would overwrite that ability with the new one.Any points spend in the previous ability are LOST and do NOT carry over to the new ability.

​Training through Trade:
You can trade your bridge officer with someone else, and have them train him/her/it in abilities.
- You need to be face to face with another person to trade, also that person must have an open(available)
bridge officer slot
- Open the trade dialogue (target the person, right click on their recticle picture, select trade, trade window
opens)
- Go to your character status window, you can drag a commissioned officer into the trade window, or you
can drag a candidate from the 'Assignments' tab
Note: If you are not able to do this with a commissioned officer, you may need to strip him/her/it of all equipment (armor, weapon, etc.) before you can trade.
You may also be able to mail candidates, see below under 'New Crew, Candidates'.
​Using abilities
Bridge officers abilities are either used automatically or manually through your HUD. On ground missions your officers may sometimes automatically use abilities if the need to use it is urgent. In space the player must manually use the abilities. These abilities are icons located under the bridge officer section of your HUD whilst flying your ship. Each specific ability is linked to the type of officer that will use it and is represented as such.
List of abilities
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Ground
Members of your bridge crew will typically form your away team for ground missions and ground combat. If a player is playing a mission with other players then members of the bridge crew are replaced with the other players. If slots are left they will be filled with members of the bridge crew. On away missions your officers will provide the player with various types of support. They offer fire-power from all types of careers, however officers with a Tactical background excel in this area. Engineering officers can provide support in the form of turrets and shield regeneration skills. Science officers are able to heal you and your team and provide buffs and debuffs.
When playing in a team with other players, the number of bridge officers included in an away team will be reduced so that the total away team size doesn't not exceed 5. For example if you're in a team of 3 players, 2 bridge officer will be part of your away team. By default bridge officers are evenly chosen from players bridge crews, however the team leader has the ability to decide which officers beam down, or allow team members to choose their respective officers.
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Space Combat
When the player is involved in space combat the officers provide the player with various skills that can be used to shape the course of the battle. These skills are by default located to the bottom-right side of the players HUD and are categorized by career type (Tactical, Engineer and Science). To activate a skill simply left click it with your mouse or use one of the keyboard shortcuts (by default these are special links with the ALT key and a number).
​Stations
Officers are assigned to specific stations on your ship. Each station has a specific career — tactical, engineering, or science — and rank — Ensign, Lieutenant, Lt. Commander, or Commander. Only bridge officers of the correct career can be assigned to a station, and they will only be able to use their abilities corresponding to the rank of that station.
For example, a science bridge officer can only be assigned to a Science station. If the officer has been promoted to Commander rank, but the station is a Lieutenant station, the officer can only use his/her Ensign and Lieutenant abilities while assigned to that station.
The exact configuration of bridge officer stations is different for each starship class, which can be a factor in deciding which class of ship for your character to command.
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New Crew
Trading and Exchanging Officers
Skills
Using your officers