The recovered material includes key sensors, which, officials suspect, were meant for intelligence gathering.
"Crews have been able to recover significant debris from the site, including all of the priority sensor and electronics pieces identified as well as large sections of the structure," the military's Northern Command said.
The object reported flew over the US and Canada for a full week before being shot down on President Joe Biden's orders.
The incident strained ties between the two countries, resulting in a top US diplomat to postpone a visit to China.
The episode prompted the US military to look for other such objects, with three reported shootdowns in as many days, from Friday to Sunday.
The US authorities have acknowledged that they still lack information about the unmanned objects, such as their origin, intelligence gathering, and how they 'stay aloft'.
Senator Marco Rubio, top Republican on the Senate’s intelligence committee, had termed the spy balloon ‘alarming, but not surprising’.
A day earlier, the military shot down a UFO flying near sensitive military sites, suspecting its use for spying. The object was downed near the Huron in Michigan, according to Sky News.
A US F-16 aircraft fired the missile at some 20,000ft, with concerns that the UFO’s altitude and flightpath could pose a danger for civilian planes.
A senior official, speaking on condition of anonymity, described the object as “an octagonal structure with strings hanging off but no discernible payload.”
Fighter aircraft were scrambled Saturday after radar spotted an object over Montana, which could not be located and was then thought to be a result of a system error.
On Saturday (Feb 11), a US F-22 fighter jet shot down another UFO, this time over Alaska, days after the first shooting.