"A military parade of this kind would also be a departure from the values of our constitutional democracy", ranking Democrat on the House Armed Services Committee and Rep. Adam Smith of Washington said in a statement. The White House said the president was "clearly joking".
"The President's respect, his fondness for the military I think is reflected in him asking for these options", he added.
US President Donald Trump has asked the Pentagon to organise a large military parade in the nation's capital.
When pressed by a reporter on whether that was the best way to show appreciation for the troops, Ms Sanders said the White House has not made a final decision and that they are "exploring different ways that he could highlight and show the pride we have in the military".
Afghan war will cost B in 2018 USA expands air campaign to northern Afghanistan Mattis defends plans for new nuclear capabilities MORE on Wednesday dodged a question about why the Pentagon should spend time and money planning a military parade requested by President TrumpDonald John TrumpTillerson: Russia already looking to interfere in 2018 midterms Dems pick up deep-red legislative seat in Missouri Speier on Trump's desire for military parade: "We have a Napoleon in the making" MORE.
However, Trump's parade is already hitting a number of snags even in the early stages of its planning, as critics are arguing that a parade, which could cost millions of dollars, is not something that the Pentagon can afford at the moment. Everybody knows it, and we don't need to show it off.
Watch the report above.
"'The marching orders were: I want a parade like the one in France, ' said a military official who spoke on the condition of anonymity because the planning discussions are supposed to remain confidential".
"The DC government will open on time today".
The Washington, D.C. City Council - which is dominated by Democrats - mocked the idea of the city hosting a parade featuring military hardware. Trump acts more like dictator than president.
"We have a Napoleon in the making here", said Congresswoman Jackie Speier.
The last Washington, DC military parade was held after the first Gulf War in 1991.
Some 800,000 gathered in the crowd, the U.S. Park Police said at the time.
"We don't live in a dictatorship or a monarchy", said Duckworth. "We're going to have to try and top it". He later called the spectacle one of the greatest parades he had ever seen.
Not to mention the damage a tank would do to the asphalt of Pennsylvania Avenue. Tammy Duckworth, who has blasted "Cadet Bone Spurs", or from military families who have had to endure longer deployments, or from patients at Veterans Affairs hospitals who still endure long lines, or from those injured in non-combat accidents.