Dekker was, in an alternate reality, a 23rd century Human man. In this reality, Dekker was a member of Starfleet and held the rank of commodore in the 2260s decade.


By the year 2262, Dekker was the commanding officer of the Federation starship USS Constellation, on a survey of the Alpha Quadrant near the Delta Quadrant border. His ship was devastated by an unannounced enraged attack by Glocar or Gornar, a Red Lantern testing the capabilities of his Red Lantern power ring under the teachigs of Atrocitus. The ship's saucer section was cleaved in two by the initial power ring blast, and the bridge crew was decimated, with Dekker among the dead. (TOS - The Spectrum War comic: "Issue 3")



Constellation personnel
United Earth, Earth Starfleet Constellation Monique Duvall Terran emblem. Terran emblem.
Federation, Starfleet USS Constellation (NCC-1017) AlamanzarR. ArmstrongM. DeckerGuthrieG. HowardJazayerliLawfordH. LitwakG. MasadaPonorL. RosenhausN. ShickeleSontorC. SooH. TakeshewadaE. Vascogne Emblem of the United Federation of Planets. Starfleet emblem. Assignment patch image.
USS Constellation II R. CrossC. IkeyaA. MacDougallRaela hr'SassishI. SasoakaM. Walsh
USS Constellation
(Kelvin timeline)
DekkerLin Emblem of the United Federation of Planets. USS Enterprise assignment insignia.
mirror universe ISS Constellation
Terran Empire, Starfleet
Matthew DeckerPonorHiromi Takeshewada Terran Empire emblem.
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