Looks like quite an ambitious project, would be interesting to see if they can pull it off.
Probably more interesting to know if there's one particular airbase they intend to fly from?
http://ww2flyover.org/
Arsenal of Democracy: World War II Victory Capitol Flyover
Line-Up of Warbirds Formations
Trainer Formation “Pass in Review”
with Boeing Stearmans, Piper L-Birds, North America T-6s/SNJs, and Cessna/Beech Twin Bomber Trainers
Pearl Harbor/Flying Tigers
with Curtis P-40 Warhawks
Doolittle Raid
with North American B-25 Mitchells
Guadalcanal Campaign
with Bell P-39 Aerocobras and P-63 Kingcobras
Battle of Midway
with Consolidated PBY Catalinas, Grumman F4F/FM-2 Wildcats and Douglas SBD Dauntless
Yamamoto Shootdown
with Lockheed P-38 Lightnings
Ploesti Raid
with Consolidated B-24 Liberators
Fighter Escort for the Combined Bomber Offensive
with North American P-51 Mustangs
Big Week
with Boeing B-17 Flying Fortresses
D-Day
with Douglas C-47/R4D Skytrain and B-26/A-26s
Marianas Turkey Shoot, Battle of Leyte Gulf
with Grumman TBM Avengers, Grumman F6F Wildcat, Grumman F8F Bearcats and Curtis SB2C Helldiver
Battle of the Bulge
with Republic P-47 Thunderbolts
Iwo Jima
with Vought FG-1D Corsairs
Final Air Offensive to Defeat Japan
with Boeing B-29 Superfortress
Missing Man Formation to TAPS
with a TBM Avenger leading a mix of Fighter Aircraft