Between 1952 and 1969, the US Air Force investigated over 12,000 reported sightings of UFOs. This top-secret government program was codenamed Project Blue Book.

History Channel’s hit UFO series Project Blue Book filmed in Steveston last week as Roswell, New Mexico.

Related: UFO series Project Blue Book Starts Filming Season 2 in Vancouver in July.

What’s the series about?

During the 1950s and 1960s, the U.S. Air Force investigated thousands of UFO casess through a top secret division called Project Blue Book. Each episode of the History series from Robert Zemeckis and showrunner David O’Leary pulls from actual files and blends UFO theories with historical events that were researched by a team led by astrophysicist Dr. J. Allen Hynek (Aidan Gillen).

The Air Force wanted to keep the sightings under wraps. In the series, Captain Michael Quinn (Michael Malarkey) partners with Hynek.

Cast: Aidan Gillen, Michael Malarkey, Neal McDonough, Michael Harney, Laura Mennell and Ksenia Solo.

Related: Aidan Gillen films Project Blue Book in Vancouver.

Michael Malarkey and Aidan Gillen in Steveston.