By David Jackson, USA TODAY
It is a day of faith and remembrance for President Obama on Thursday.
The president and first lady Michelle Obama travel to Boston for an interfaith service, three days after a bombing that killed three and injured more than 170 people.
Obama will dedicate remarks "to those who were gravely wounded or killed in Monday's bombing near the finish line of the Boston Marathon," says the White House schedule.
The service is scheduled to start at 11 a.m.
During his years in the White House, Obama has spoken at four similar memorials, all of which followed mass shootings: Newtown, Conn., in December; Aurora, Colo., in July; Tucson, Ariz., in January of 2011; and Fort Hood, Tex., in November of 2009.
The interfaith service follows a day of political frustration for Obama, as Senate Republicans on Wednesday blocked a number of his gun control proposals.
A visibly angry Obama criticized the Republicans in remarks at the White House, saying "all in all, this was a pretty shameful day for Washington."
Adding that this is "just round one," Obama the president vowed to continue pushing the gun violence issue, both through executive action and in the 2014 congressional actions.
After the memorial service in Boston, Obama gets something of a respite from the political and emotion turmoil on Thursday night -- he hosts a White House reception for Greek Independence Day.