The Keystone Assault is a member of the United States Women Football League. Previously have been a member of the Women's Football Alliance and a former charter member of the league. The team began play in the WFA for its inaugural 2009 season. Based in the Pennsylvania capital of Harrisburg, the Assault plays its home games at Lower Dauphin Middle School and formerly at East Pennsboro High School in nearby Hummelstown, Pennsylvania. The team was derived from many players and coaches from the defunct Central PA Vipers (2006-2009).
|-|2009 || 4 || 4 || 0 || 4th National Northeast (WFA) || --|-|2010 || 6 || 2 || 0 || 2nd National East (WFA) || --|-|2011 || 3 || 5 || 0 || 2nd National Northeast (WFA) || --|-|2012 || 6 || 1 || 0 || 1st National Division (WFA) || --|-|2013 || 7 || 2 || 0 || Mid Atlantic Division (IWFL) || --|-|2014 || 8 || 1 || 0 || 2nd Mid Atlantic Division (IWFL) || --|-|2015 || 9 || 0 || 0 || Northeast Division (WSFL) || WSFL Champions|-|2019 || 4 || 4 || 0 || USWFL |||-!Totals || 38 || 19 || 0
* = current standing
| Date | Opponent | Home/Away | Result | |
|---|---|---|---|---|
| April 18 | Philadelphia Liberty Belles | Away | Lost 24-47 | |
| April 25 | Binghamton Tiger Cats | Away | Won 34-20 | |
| May 9 | Baltimore Burn | Home | Lost 16-20 | |
| May 16 | Philadelphia Liberty Belles | Home | Lost 12-14 | |
| May 30 | Binghamton Tiger Cats | Home | Won 32-6 | |
| June 6 | Baltimore Burn | Away | Lost 22-44 | |
| June 13 | New Jersey Titans | Away | Won 28-6 | |
| June 20 | Connecticut Cyclones | Home | Won 6-0** |
| Date | Opponent | Home/Away | Result | |
|---|---|---|---|---|
| April 10 | New Jersey Titans | Away | Won 30-16 | |
| April 24 | Southern Tier Spitfire | Home | Won 56-0 | |
| May 1 | New England Nightmare | Away | Won 56-6 | |
| May 15 | Philadelphia Liberty Belles | Home | Lost 35-12 | |
| May 22 | Baltimore Burn | Away | Won 34-24 | |
| June 5 | New Jersey Titans | Home | Won 28-8 | |
| June 12 | Southern Tier Spitfire | Away | Won 38-0 | |
| June 19 | Baltimore Burn | Home | Lost 36-24 |
** = Won by forfeit
| Date | Opponent | Home/Away | Result | |
|---|---|---|---|---|
| April 9 | D.C. Divas | Away | Lost 6-55 | |
| April 16 | Northeastern Nitro | Home | Lost 0-6 | |
| April 30 | D.C. Divas | Home | Lost 0-49 | |
| May 7 | Philadelphia Liberty Belles | Away | Lost 12-28 | |
| May 14 | New England Nightmare | Away | Won 27-0 | |
| June 4 | Northeastern Nitro | Away | Lost 6-12 | |
| June 11 | Philadelphia Liberty Belles | Home | Won 14-8 | |
| June 18 | New England Nightmare | Home | Won 26-8 |
| Date | Opponent | Home/Away | Result | |
|---|---|---|---|---|
| April 14 | Maine Lynx | Home | Won 54-0 | |
| April 21 | New England Nightmare | Away | Won 50-0 | |
| April 28 | Boston Militia | Home | Lost 0-31 | |
| May 5 | Baltimore Burn (WSFL) | Home | Won 34-6 | |
| May 12 | Maine Lynx | Away | Won 46-8 | |
| May 19 | Philadelphia Liberty Belles | Away | Won 20-0 | |
| June 2 | New England Nightmare | Home | Won 42-0 | |
| June 16 | Pittsburgh Force | Away | Won 50-15 |