Your mistaken, they were deployed but the Capitol police did not ask for their help and Trump didn't control the Capitol police, Pelosi did i think.
" Hundreds of National Guard troops were posted in the streets of Washington, D.C., on Wednesday afternoon, ........ "
" Simply put, the National Guard only shows up to D.C. when they’ve been invited, and the Capitol Police did not extend that invitation until after the breach, according to a source with knowledge of the process, who was not authorized to speak about it on the record."
" The Defense Department was in contact with Capital Police ahead of Tuesday and Wednesday’s protests, Kenneth Rapuano, the assistant defense secretary for homeland defense, told reporters during a press call on Thursday.
They asserted that they would not be requesting National Guard support, he said. "
https://www.militarytimes.com/news/your-military/2021/01/07/this-is-why-the-national-guard-didnt-respond-to-the-attack-on-the-capitol/
