I'm probably late to the party and some of you maybe already noticed, but I just realized the Sky Marshal helmet is a direct inspiration to the 1991 movie The Rocketeer! :
Fracture: Entrenched Event (Updated) | Halo - Official Site (en)
Gen ? Eaglestrike Brodie helmet by pugwash1 on DeviantArt
HALO Infinite Eaglestrike Kerberos helmet 3d print file 3D model 3D printable | CGTrader
Dan on Twitter: "#HaloInfinite blatantly going to be doing something Bethesda crossover!! Wolfenstein and Fallout themes are strong with the Eaglestrike helmets https://t.co/rqkggliITj" / Twitter
New Armor Core (Season 2 Fractures event) - Iron Eagle : r/HaloLeaks
3D file Halo Infinite Eaglestrike Wearable Helmet for 3D Printingă»3D printing idea to downloadă»Cults
ArtStation - Eaglestrike Gear - Halo Infinite
How to get the Halo Infinite Eaglestrike Armor | GamesRadar+
Armor customization (Halo Infinite)/Eaglestrike/Helmet - Halopedia, the Halo wiki
How to get the Eaglestrike and Rakshasa armor cores in Halo Infinite | Eurogamer.net
How to Get Eaglestrike Armor in Halo Infinite & All Screenshots
3D file Halo Infinite Eaglestrike Wearable Helmet for 3D Printingă»3D printing idea to downloadă»Cults
Halo Infinite Update for August 9 Drop Pod Fires Out for Cross-Core Visors, Bug Fixes & More
Entrenched armor helmets and their original helmet counterpart : r/halo