The policy provides options for employees who served more furlough days than necessary.
Civilian defense workers can share their experiences dealing with unpaid leave under the Pentagon's sequester plan.
Pentagon officials confirmed the plan on Tuesday as civilian defense workers entered their fifth week of furloughs.
An Associated Press report said Pentagon officials believe the furloughs will be reduced again from 11 days to six.
Barrow hopes to end furloughs that will result in a 20 percent pay cut for the military's civilian employees.
The unofficial run, organized by affected employees, will stretch from the Pentagon to the Capitol.
The move amounts to a 20 percent cut in pay for hundreds of thousands of defense workers over the next three months.
A coalition of 20 labor unions plans to mobilize its members for the effort, which will involve outreach to members of Congress.
he Department of Defense has begun delivering furlough notices to civilian employees, setting in motion a chain of actions that will result in hundreds of thousands of Defense workers losing time on their jobs.
Secretary of Defense Chuck Hagel will announce plans Tuesday afternoon to reduce the number of furlough days faced by the department's 800,000 civilian workers from 14 days to 11 days, according to Defense officials.