Father Anthony Spilka administers holy communion to March For Life participants during an early morning mass at St.Francis Catholic Church in Johnstown,Pa., before they board the bus for the national rally in Washington,DC., Fri., Jan.27, 2017.

Thousands of protesters will arrive in Washington D.C. for the 44th Annual March for Life, an anti-abortion event held on or around the anniversary of the U.S. Supreme Court’s Roe v. Wade decision legalizing abortion.