- For the playable vessel, see Dhelan Warbird.
- “Flight from Virinat”: The R.R.W. D'serek assists the player in driving the I.R.W. Khnial out of the Virinat System.
- “Explore the Flotilla”: A Dhelan-class warbird can be seen out the window when the player speaks to D'Tan.
- “Crossroads at Crateris”: The I.R.W. Decimus and other Reman warbirds fight to defend Crateris from the Tal Shiar and the Elachi.
- “Memory Lane”: The R.R.W. Hyperian assists the player in fighting Tal Shiar forces in the Virinat system after it is discovered they had attempted to trick the Hyperian's crew and the player into fighting each other.
- “The Search for New Romulus”: The D'serek enters the Dewa System to assess Dewa III's candidacy to become the new Romulan homworld.
- “Tradecraft”: Several Dhelan-class warbirds are part of the R.R.W. Deihu's fleet in the Azha System.
- “Cloak and Dagger”: A Reman Dhael Warbird defends Delta Corvi from a Tal Shiar invasion force.
- “Mind Game”: Several Dhelan warbirds assist the player in defeating the I.R.W. Khnial in deep space.
- “Shadow Play”: A Dhelan Warbird operated by Remans aligned with the Romulan Republic aids the player in defeating a D'deridex Battlecruiser in the Cirini Prime System. Later on, several Dhelans are part of the Republic fleet defending New Romulus from an Elachi fleet.
- “Devil's Choice”: Dhelan warbirds are part of a Republic fleet defending New Romulus from an Elachi invasion fleet.
- “Friend or Foe”: A Dhelan Warbird assists KDF players in defeating the I.R.W. Solius in the Vor System.
- “Where Angels Fear to Tread”: A Dhelan Warbird responds to a distress signal from the I.R.W. Areinnye in the Burgus System and assists the player in combat against the Borg.
- “Azure Nebula Rescue”: A number of Dhelan Warbirds have been captured by the Tholian Assembly and must be liberated by the player.
- “Better with Friends”: A Dhelan Warbird under the command of Subcommander Rai Sahen assists the player in capturing a Vaadwaur ship in the Xiokel System.
- “Taking Care of Enemies”: The R.R.W. Hasta assists the player in negotiations with a group of Vaadwaur defectors in the Gerren System.
- “Blood of Ancients”: Dhelans are among the alliance vessels engaging Herald forces in the New Romulus and Lae'nas Systems.
Vessels of the class
- When Romulan Republic players use the Fleet Support ability, a Dhelan Warbird has a chance to spawn to aid the player in battle.
|Details||Reman Resistance • Reman • The Vault • Crateris • Remus • New Romulus • Vauthil Station • Reman History|
|Ground Forces||Guard • Shadow Guard • Guard Elite • Shadow Guard Elite • Guard Commander • Shadow Guard Commander • Guard Captain|
|Starships||Scorpion Fighter • T'varo Light Warbird • Dhelan Warbird • Mogai Heavy Warbird • D'deridex Battlecruiser • Haakona Advanced Warbird • Scimitar Dreadnought|
|NPCs||Khiy • Obisek • Rashna • Slamek • Vrimek • Xionel • Zden|
|NPC starships||I.R.W. Decimus • R.R.W. Llaisnen • Reman Scout • Rerik • Zdenia|