The report is backed by former military surgeons general.
The case could have national implications.
The move follows a decision in by the Supreme Court protecting gay and transgender employees from being fired or disciplined.
Two senators have offered an amendment aimed at lifting the military's ban on transgender service.
Until Monday's ruling, it was legal in more than half the states to fire workers for being gay, bisexual or transgender.
The suit had been filed against Defense Secretary Mark Esper, challenging the military's current transgender policy.
The officer will have her gender officially changed in the Defense Enrollment Eligibility Reporting System.
A Department of Defense spokeswoman said it is aware of the lawsuit and is reviewing the filings.
The army said in a statement that it concluded the soldier’s operation can be considered a reason for discharge.
A federal judge on Wednesday ordered the Pentagon to turn over thousands of documents.
The deadly riot in the U.S. Capitol on Jan. 6 attracted a variety of far-right extremists who shared a devotion to Trump.
The Humvee was stolen from a National Guard Armory in a Los Angeles suburb.
The proposal to expand military exchange shopping privileges had been expected to be finalized in late 2020.
Many survivors will see at least $400 more in their Feb. 1 annuity payments.
Typically, about half of each class washes out during the final apprentice course because of its demanding nature.