The 91st Steel Legion Desert Vultures Prepare for War

I am still trying to round out my 91st Desert Vultures before they are fielded. I am going to get 20 Stormtroopers painted in Steel Legion colors, I have two more plasma gunners, 3 Heavy Bolter Squads, and I could use 2 to 3 more chimeras. Lacking that I am looking at the following force organization:

91st Steel Legion Headquarters
Colonel Rysm, 91st Steel Legion Commander (Company Command Squad): Missile Launcher crew with two meltavets, with squad mounted in a chimera.
Major Balck, Ordinance Officer assigned to the 91st Steel Legion.
Lieutenant Darring, Officer of the Fleet assigned to the 91st Steel Legion.
Lindric, Astropath assigned to the 91st Steel Legion.
Commissar Yarrick, Advisor to Colonel Rysm.
Commissar Stein (Commissar Lord): assigned lead commissar to the 91st Steel Legion.
Commissar Welles (Commissar Lord): assigned to the 91st Steel Legion.
Commissar Gregov (Platoon Commissar): assigned to Charlie 91.
Commissar Dillon (Platoon Commissar): assigned to Foxtrot 91.

91st Steel Legion Elites
Dagger Squad (Stormtroopers): led by Sergeant Murphy with access to meltaguns and valkyrie transport.
Easy 28 Squad (Stormtroopers): led by Sergeant Luck with access to plasmaguns and valkyrie transport.
The Wailers (Psyker Squad): They're nuts but useful when not wailing in horror at the void.  Mounted in a chimera.

91st Steel Legion Troops
Alpha 91 (Veterans): led by Sergeant Vimes with plasmaguns, a heavy bolter, with squad mounted in a chimera.
Bravo 91 (Veterans): led by Sergeant Vimes with plasmaguns, a heavy bolter, with squad mounted in a chimera.
Charlie 91 (Platoon Command Squad): led by Lieutenant Max with a lascannon crew, with squad mounted in a chimera.
Delta 91 (Infantry Squad): grenade launcher and missile launcher attached, with squad mounted in a chimera.
Echo 91 (Infantry Squad): grenade launcher and missile launcher attached, with squad mounted in a chimera.
Foxtrot 91 (Platoon Command Squad): led by Lieutenant Brighton with a missile launcher crew, dismounted.
Gulf 91 (Infantry Squad): grenade launcher and missile launcher attached, dismounted.
Hotel 91 (Infantry Squad): grenade launcher and missile launcher attached, dismounted.
India 91 (Heavy Weapon Squad): three heavy bolter squads.

91st Steel Legion Fast
Death Strike (Valkyrie): multiple rocket pods, heavy bolters, and a lascannon.
Buzzard (Valkyrie): multiple rocket pods, heavy bolters, and a multi-laser.
Trench Ghost Squadron (Scout Sentinel): three scouts armed with a missile launchers.  Zulu 91-1 command scout, Zulu 91-2, Zulu 91-3

91st Steel Legion Heavy
Steel 1 Squadron (Leman Russ Battle Tanks): S1-A command tank, S1-B.  Unit nickname: Lucky 8s.
Steel 2 Squadron (Leman Russ Demolishers): S1-C command tank, S1-D.  Unit Nickname: Jolly Rogers.
Steel 3 Squadron (Leman Russ Exterminators): S1-E command tank, S1-F.  Unit nickname: Zeros.
Steel 4 Squadron (Leman Russ Vanquishers): S1-G command tank, S1-H.  Unit nickname: Tigers.
Artillery 91 Battery (Basilisks): three self-propelled artillery pieces.  91-11 command tank, 91-12, 91-13.
Missile Artillery 91 Battery (Manticores): five self-propelled missile weapon systems.  Two can be used for Anti-Aircraft defense.  91-20 command tank, 91-21, 91-22, 91-23, 91-24.

91st Steel Legion Super Heavies
Steel Inferno (Stormlord): 91-11 designation, rally point and mobile HQ, hospital, and siege line breaker.  Commanded by Captain Paulus.
Armeggedon's Fury (Shadowsword): 91-12 designation, Titan Hunter-Killer.  1 confirmed titan kill.  Commanded by Captain Witteman.