The Des Moines Warriors, Grand Rapids Blazers, Lincoln Comets and Omaha Mustangs and Rock Island Raiders franchises joined the Joliet Explorers as charter members of the league.
LeRoy Adams, Chuck Billings, Art Dillard, Ed Francois, Ken McGhie, Bill Mundee, Walt Nichols, Ron Parr and Togo Silvani of Joliet were named to the 1965 All–PFLA team[6][7][4] The 1966, Joliet Explorers continued PFLA play and finished in third place in the five–team league.
The Joliet Explorers placed third in the standings with a record of 6–4, playing under head coach Bob Webb.
LeRoy Adams, Ollie Cromwell, Ralph Fahey, Ed Francois, Dave Mulderink, Bill Mundee and Togo Silvani of Joliet were awarded positions on the 1966 All–PFLA team.
To begin the 1967 season, the PFLA expanded, adding the Alabama Hawks, Chicago Owls and Oklahoma City Plainsmen franchises as expansion members.
LeRoy Adams, Paul Hudson, Walt Nichols and Sam Parham of the Chargers were named to the 1967 All–PFLA team.
[11][17] The 1967 Joliet Chargers were noted to have played home football games at "West Jefferson Stadium."