Changes

Absorbed whole from the Phantine PDF, Umbra Squadron switched from [[Lightning]] to [[Thunderbolt]] fighters at their mustering into the Guard. Their members wear quilted taupe flightsuits, red helmets and brown leather jackets. Their assigned model of Thunderbolt is pattern I-XXI.{{Cite This}}

Umbra Squadron fought in the liberations of [[Urdesh Minor ]] and [[Enothis]], incurring heavy casualties in the latter conflict. They also scored one of the highest squadron kill tallies in the theatre, and Umbra 8 was responsible for downing a feared enemy ace, [[Khrel Kas Obarkon]].^{{Fn|2}}

* Umbra Leader - Commander [[Bree Jagdea ]]* Umbra 2 - Executive Officer [[Milan Blansher]]: 32 Career Kills (KIAK.I.A., 773.[[M41]])* Umbra 3 - Pilot Officer [[Van Tull ]]* Umdra 4 - Flight Lieutenant [[Larice Asche ]] (Transferred out, 773.M41)* Umbra 5 - Pilot Officer [[Pers Espere]]: 4 Career Kills (WIAW.I.A., 773.M41)* Umbra 6 - Pilot Officer [[Agguila Del Ruth ]]* Umbra 7 - Pilot Officer [[Clovin ]] (KIA K.I.A. 773.M41)* Umbra 8 - Pilot Officer [[Vander Marquall]]: 5 Career Kills (KIAK.I.A., 773.M41)* Umbra 9 - Pilot Officer [[Waldon]]: 7 Career Kills (KIAK.I.A., 773.M41)* Umbra 10 - Pilot Officer [[Zemmic]]* Umbra 11 - Pilot Officer [[Cordiale ]] (KIAK.I.A., 773.M41)* Umbra 12 - Pilot Officer [[Ranfre ]] (KIAK.I.A., 773.M41)

Replacement pilots were added to Umbra during the Enothis campaign to make up for casualties^{{Fn|2}}: * Umbra 4 - Unknown Pilot - only recorded by a serial number. Some reports claim this pilot to have been one [[Oskar Viltry]], despite Viltry being recorded as KIA K.I.A. one month earlier. Regardless, Umbra 4 was listed as KIAK.I.A./MIA M.I.A. by Commander Jagdea in her after-action report. * Umbra 5 - Major [[August Kaminsky]]: 73 Career Kills (KIA K.I.A. 812.M41)* Umbra 7 - Major [[Frans Scalter ]] (KIAK.I.A., 773.M41)* Umbra 9 - Cadet [[Enric Darrow]]

Absorbed whole from the Phantine PDF as a [[Marauder]] bomber formation, commanded by [[Oskar Viltry]]. During the battles on [[Enothis]], a Flight from Halo Squadron destroyed a [[Chaos]] mass aircraft carrier, severely hindering the archenemy forces.

*''G for Greta'' - Halo Leader ([[Oskar Viltry ]] - KIA K.I.A. 773.M41)*''Mamzel Mayhem'' - Halo Two ([[Wassimir Kyrklan]])

''G for Greta'' was reported lost in action with all hands, although there are reports that indicate Commander Viltry may have been seen in active service at least a month later. Despite this, he is officially recognised as perishing alongside the rest of the crew of the Greta.^{{Fn|2 }}

[[Thunderbolt ]] fighter squadron, commanded by [[Wilhelm Hayes ]] (KIA K.I.A. 773.M41). Their aircraft are painted grey, with blue trim. Fought on [[Enothis]].^{{Fn|2}}