Transcript for Crowds filter into the National Mall in anticipation for Trump's 4th of July event
In Washington tonight, and president trump's fourth of July spectacle. Bands rehearsing in front of the Lincoln memorial this afternoon. Crowds gathering in the shadow of one of the Abrams tanks that rolled into town. You are looking at a live shot of the national mall. The president set to speak there very soon. Critics have raised concerns about how much all of this will cost, but the president says, whatever it is, it's worth it. Here's ABC's Stephanie Ramos. Reporter: Tanks are onsite. Troops are running drills. But late today, the weather end not cooperating. Today's event has been delayed. Please stand by and we will resume soon. Reporter: Still, people filtering onto the national president trump promising one of the biggest celebrations in the history of our country. More than trump to me, it's the celebration of our freedom. Reporter: The president fixated on staging a grand military event ever since witnessing bastille day festivities in France, ordering up flyovers from fighter jets and air force one and demanding that the Pentagon ship tanks to this event. That is one of two Abrams tanks brought here no the Lincoln memorial from ft. Stewart, this is the first time tanks are apart of the fourth of July event here in D.C. The white house won't put a pricetag on the festivities. The president says, whatever it is, it will be worth it. His opponents don't buy it. I'm not quite sure we need money to go into putting tanks in downtown Washington, D.C. It is just absolute misplaced. He thinks these things are toys. I think reducing our nation to tanks and shows of muscle just makes us look like the kind of loud mouth guy at the bar. Reporter: In Iowa, Joe Biden dismissing white house claims that this event is about patriotism, not politics. And an event, designed more to stroke his ego than celebrate American ideals. Reporter: But here on the mall, people seeing it differently. His heart is the for our country and is for the people and for the military. So, I think deep down, his heart is in a good place. Cecilia, the white house handed out V.I.P. Tickets to the Republican national committee and big dollar donors. The president plugging the event throughout on Twitter throughout the day. Cecilia?
This transcript has been automatically generated and may not be 100% accurate.