View source for Tactical Warp Era (SFU)

{{ChronologyLinks|chron=SFU|year1=Non-Tactical Warp Era|year2=Early Years Era}}
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<div style="text-align:center;">'''Y62 to Y78'''</div>

==Y62==
* The [[United Federation of Planets (SFU)|United Federation of Planets]] launches the first cruiser capable of [[warp drive (SFU)#Tactical Warp|tactical warp]];<ref name="PDOne"/> it is also the first ship not under the command of any specific planet. The ship is a converted sublight cruiser, and includes the first [[tractor beam (SFU)|tractor beam]] capable of use while at warp.<ref name="PD20"/>
* Other empires also develop [[warp drive (SFU)#Tactical Warp|tactical warp drive]] over the next several years, although the [[Romulan Star Empire (SFU)|Romulan Star Empire]] does not do so<ref name="PDOne"/> remaining limited to non-tactical warp until the [[Treaty of Smarba (SFU)|Treaty of Smarba]] in [[Main Era (SFU)#2559|2559]], putting them at a significant disadvantage.<ref name="PD20"/>
* Developed in conjunction with [[warp drive (SFU)#Tactical Warp|tactical warp drive]], the [[transporter (SFU)|transporter]] enters service in the [[United Federation of Planets (SFU)|Federation]]. All Federation ships refit with tactical warp have their [[nuclear weapons (SFU)|heavy weapons]] replaced with [[photon torpedo (SFU)|photon torpedoes]].<ref name="PD20"/>
* The [[Gorn-Romulan Wars (SFU)#Second War|Second Gorn-Romulan War]] begins.<ref name="PDOne"/>

==Y63==
* The [[Klingon Empire (SFU)|Klingon Empire]] converts the first of their sublight [[D-3 class (SFU)|D-3 class]] cruisers to use [[warp drive (SFU)#Tactical Warp|tactical warp drive]] and [[disruptors (SFU)|disruptors]].<ref name="PD20"/>

==Y65==
* Drones are first used in combat. The [[Klingon Empire (SFU)|Klingon Empire]] and the [[Kzinti (SFU)|Kzinti]] deploy their drones simultaneously in an outgrowth of [[warp drive (SFU)#Tactical Warp|tactical warp]] technology.<ref name="PD20"/>
* [[Carnivons (SFU)|Carnivon]] forces reach the [[WYN Cluster (SFU)|WYN Cluster]], having driven a wedge between the [[Lyrans (SFU)|Lyrans]] and [[Kzinti (SFU)|Kzinti]], and having occupied several of their border systems. The Kzinti and Lyrans will not regain direct contact until [[2506  (SFU)|2506]].<ref name="PD20"/>

==Y66==
* The [[Gorn (SFU)|Gorn]] develop [[warp drive (SFU)#Tactical Warp|tactical warp drive]],<ref name="PDOne"/> but their ships are still armed with sublight weapons. The [[Romulans (SFU)|Romulans]], however, while not yet having developed tactical warp, have instead developed weapons systems capable of targeting ships moving at warp. The conflict between the Gorn and the [[Paravians (SFU)|Paravians]] escalates sharply, distracting the Gorn from pressing their advantage against the Romulans.<ref name="PD20"/>
* Incidents erput along the [[Hydrans (SFU)|Hydran]]-[[Klingon Empire (SFU)|Klingon]] border. The [[Klingons (SFU)|Klingons]] want settlement rights on [[oxygen]]-[[nitrogen]] worlds in Hydran territory, while the Hydrans want the same for [[methane]] worlds within Klingon space,<ref name="PDOne"/> but neither is willing to tolerate a foreign presence within their territory.<ref name="PD20"/>

==Y67==
* The [[Gorn (SFU)|Gorn]] conduct raids on numerous [[Romulans (SFU)|Romulan]] research facilities, halting the development of [[warp drive (SFU)#Tactical Warp|tactical warp]] technology.<ref name="PDOne"/> The research is further hindered by the system of Great Houses in Romulan society; each house conducts its own independent research, unwilling to cooperate with rival houses, and some going so far as to sabotage the progress of their rivals. The situation is complicated by a particularly weak [[Romulan Emperor (SFU)|Emperor]], [[Ruvellus (SFU)|Ruvellus]], who is unable to force the houses to cooperate. In less than two years, Ruvellus appointed seven [[Romulan Praetor (SFU)|Praetors]], as powerful houses moved to depose &mdash; or assassinate &mdash; any praetor controlled by another house.<ref name="PD20"/>

==Y68==
* [[Ruvellus (SFU)|Ruvellus]] appoints his eighth and final [[Romulan Praetor (SFU)|praetor]].<ref name="PD20"/>
* The [[Gorn (SFU)|Gorn]] win the [[Gorn-Romulan Wars (SFU)#Second War|Second Gorn-Romulan War]],<ref name="PDOne"/> freeing the Gorn to focus on the [[Paravians (SFU)|Paravians]]. With ships recently upgraded with [[warp drive (SFU)#Tactical Warp|tactical warp]] and advanced weapons, the Gorn quickly destroy virtually every unrefitted Paravian ship.<ref name="PD20"/>
* The [[Hydran-Lyran Wars (SFU)#Second War|Second Hydran-Lyran War]] begins.<ref name="PDOne"/>

==Y70==
* The [[Paravians (SFU)|Paravians]] deploy [[warp drive (SFU)#Tactical Warp|tactical warp drive]] and advanced weaponry, bringing parity in their conflict with the [[Gorn (SFU)|Gorn]] once more.<ref name="PD20"/>

==Y71==
* The [[United Federation of Planets (SFU)|United Federation of Planets]] forms the [[Star Fleet (SFU)|United Star Fleet]]. Member planets begin to disband their "national" fleets,<ref name="PDOne"/> all composed of older, [[warp drive (SFU)#Non-Tactical Warp|non-tactical warp]] ships, in favor of Star Fleet, which exclusively fields newer ships with tactical warp, [[phasers (SFU)|phasers]], and [[photon torpedo (SFU)|photon torpedoes]]. A cornerstone of Federation cohesiveness, Star Fleet makes the national fleets obsolete. A limited number of ships remain in service as system defense vessels, upgraded with tactical warp and advanced weaponry. In fact, several member planets remain wary of one another, unsure of whether other species would come to their aid in a crisis. While there will never be a Federation civil war, there are moments in which tensions over trade and other matters reach high levels.<ref name="PD20"/>
* The [[Hydran-Lyran Wars (SFU)#Second War|Second Hydran-Lyran War]] ends when improved [[Hydrans (SFU)|Hydran]] weapons give them a decisive advantage.<ref name="PDOne"/>

==Y72==
* The [[Klingons (SFU)|Klingons]] and [[Hydrans (SFU)|Hydrans]] have a brief border war.<ref name="PDOne"/>

==Y73==
* The [[Hydrans (SFU)|Hydrans]] attack the [[Klingons (SFU)|Klingons]]. They do not have a formal alliance with the [[Kzinti (SFU)|Kzinti]], who are still at war with the Klingons, but are considered co-belligerents. The Klingons are hard-pressed to fight a war on two fronts, and the Hydran [[nova cannon (SFU)|nova cannon]] is of particular concern for the Klingons.<ref name="PDOne"/>

==Y75==
{{ImageBox2|file=map_alpha-y75-gpd2020.jpg|caption=Map of the [[Alpha Octant (SFU)|Alpha Octant]], [[Y75 (SFU)|Y75]] ({{GPD2020}})}}
* A badly outnumbered [[Klingons (SFU)|Klingon]] fleet is defeated along the [[Hydrans (SFU)|Hydran]] front, and the Klingons agree to a settlement granting the Hydrans trade concessions and settlement rights to several [[methane]]-atmosphere planets within the [[Klingon Empire (SFU)|Klingon Empire]]. The [[Kzinti (SFU)|Kzinti]] are enraged when the Hydrans not only end their war against the Klingons, but sell war materiel to the Klingons, who launch a renewed offensive on the Kzinti front.<ref name="PDOne"/>

==Y76==
* The [[Klingon Empire (SFU)|Klingon Empire]], expanding their territory to the Galactic Rim, encounters the [[Vudar (SFU)|Vudar]], and later absorb them into the Empire under special semi-autonomous conditions. Only the Vudar can survive in the [[radiation]] zones along the Rim for extended periods, as their home system was located there. At the same time, [[Klingons (SFU)|Klingon]] explorers contact the [[Romulans (SFU)|Romulans]], reporting that their lower level of technology makes them ripe for conquest. Several Klingon ships raid Romulan territory, and [[Romulan ale (SFU)|Romulan ale]] becomes an in-demand trophy in the Klingon fleet. The Romulans remain uncertain of the origin of their newest adversary.<ref name="PD20"/>

==Y78==
* Based on lessons learned from the war with the [[Hydrans (SFU)|Hydrans]], the [[Klingon Empire (SFU)|Klingon Empire]] launches the [[D-4 class (SFU)|D-4 class]] cruiser, the first class designed to include [[warp drive (SFU)#Tactical Warp|tactical warp]], rather than having it added in a refit. The Hydrans and [[Kzinti (SFU)|Kzinti]] soon follow suit with similar new ship designs.<ref name="PD20"/>

{{References}}
<references>
<ref name="PDOne">{{RefPDOne}}</ref>
<ref name="PD20">{{RefPD20}}</ref>
</references>
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