"We don't know that. There are options and we will explore those and the president will ultimately decide," said Pentagon spokeswoman Dana White, adding that the US Army was taking the lead in creating options for the event.
The White House has asked the Pentagon to explore a celebration of "America's great service members," after the Republican president marvelled at the Bastille Day military parade he attended in Paris last year.
Critics have argued that a parade could cost millions of dollars, at a time the Pentagon wants more stable funding for an overstretched military.
When asked who would pay for the cost of the parade, White said the Pentagon was still in the planning phase.
"Tanks but no tanks!" it tweeted.
One option under consideration is for a parade on November 11 - which would be the 100th anniversary of the end of World War One.
(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)
Get Breaking news, live coverage, and Latest News from India and around the world on NDTV.com. Catch all the Live TV action on NDTV 24x7 and NDTV India. Like us on Facebook or follow us on Twitter and Instagram for latest news and live news updates.