Call of Duty: Vanguard video game will take players back to World War II and the birth of special forces

Call of Duty is parachuting back into World War II. Special operations forces such as SEAL Team Six grew out of Allied experiments with small squads chosen for specialized missions in World War II. In developing the single-player story campaign, Sledgehammer's creative team worked with historians including Marty Morgan, author of "D-Day: A Photographic History of the Normandy Invasion" who served as technical director on the studio's 2017 game Call of Duty WWII. Video games:Fortnite meets Among Us? New Impostors mode rolling out "We were really inspired by these first special forces operators and they seemed like such interesting characters that we wanted to explore," said David Swenson, creative director of the game's single-player story campaign for development studio Sledgehammer Games. Call of Duty: Vanguard's story is fiction, but "even though we are not beholden to history, we are rooted in history," Swenson said. "It feels realistic and authentic."