WASHINGTON — Vice President Kamala Harris achieved one other first for girls on Friday when she addressed the graduating class of the US Naval Academy, turning into the primary feminine graduation speaker within the faculty’s almost 175-year historical past.

The vice chairman’s speech targeted on among the Biden administration’s most pressing challenges, just like the coronavirus pandemic, local weather change and a number of more and more refined cybersecurity threats — occurrences she known as “warning photographs” that may require a army skilled to counter them.

“A gang of hackers can disrupt the gasoline provide of a complete seaboard,” Ms. Harris mentioned. “One nation’s carbon emissions can threaten the sustainability of the entire earth. This, midshipmen, is the period we’re in — and it’s in contrast to any period that got here earlier than.”

The vice chairman’s speech on the Naval Academy, in Annapolis, Md., was her first to deal with the army, and it got here because the Biden administration accelerated its withdrawal of troops from Afghanistan, effectively forward of the Sept. 11 deadline President Biden set in April.

Ms. Harris has said that she was the final individual within the room earlier than the president made the decision to pull troops from the nation, almost 20 years after they have been first deployed.

Ms. Harris instructed the graduates that the Sept. 11, 2001, terrorist assault had “formed your total life, and it formed our total nation.” She mentioned that the pandemic had equally redefined American life.

“If we weren’t clear earlier than, we all know now: The world is interconnected. Our world is interdependent. And our world is fragile.”

Presidents and vice presidents ship graduation speeches to the completely different service academies on a rotating foundation, and Ms. Harris was the primary to return to the Naval Academy since President Donald J. Trump took the stage in 2018 and declared that, after his election, the US was “revered once more.”

Whereas Mr. Trump was targeted on the army incomes the respect and worry of its world adversaries — he instructed the graduates in 2018 that the army was “essentially the most highly effective and rightful drive on the planet” — the present administration has emphasised what Mr. Biden has mentioned repeatedly:he believes that democracy is reaching an inflection level.

“No class will get to decide on the world into which he graduates,” Mr. Biden told a class of Coast Guard graduates this month. “The challenges you’re going to face in your profession are going to look very completely different than those that walked these halls earlier than.”

Ms. Harris’s go to was meant to sign that the present White Home’s relationship with the army had modified for the reason that Trump period, in ways in which went past her speech: When she arrived in Annapolis, Ms. Harris laid flowers on the grave of Senator John McCain, the Arizona Republican who, even after his dying, was a frequent goal of Mr. Trump’s. Mr. McCain’s widow, Cindy McCain, endorsed Mr. Biden within the 2020 election, and he or she is claimed to be under consideration for an ambassadorship to the World Meals Program in Rome.

Ms. Harris additionally threw in a reference to the Biden administration’s efforts to vaccinate younger folks: “You guys rolled up your sleeves and acquired vaccinated,” she instructed the group of maskless graduates. “You made it to at the present time.”

Ms. Harris, the primary lady and individual of coloration to be vice chairman, was not the one one who made historical past on the Naval Academy on Friday. Among the many graduates on the graduation ceremony was be Midshipman First Class Sydney Barber, the primary Black lady within the academy’s historical past to function brigade commander.

Midshipman Barber, of Lake Forest, Unwell., wears a particular set of six stripes on her uniform and was been chargeable for a lot of the brigade’s every day actions, in addition to for the skilled coaching of different midshipmen.

A pair of Midshipman Barber’s shoulder boards are on show in Ms. Harris’s ceremonial workplace, in accordance with a senior aide to the vice chairman. Ms. Harris and the midshipman spoke just lately on a non-public Zoom name and complimented one another on being the primary Black girls of their respective roles.

“It’s possible you’ll be the primary to do many issues,” Ms. Harris instructed the midshipman, in accordance with an aide who recounted their dialog. “However be sure to’re not the final.”

It has been solely 46 years since girls got permission to enroll within the service academies, and Midshipman Barber is the sixteenth lady to have served as brigade commander. The primary was Midshipman Juliane Gallina, who led the brigade in fall 1991, when girls have been nonetheless prohibited from flying warplanes or serving on warships at sea. Faculty information present that Ms. Gallina retired from the Navy as a commander.

“You’re the idealists within the truest sense,” Ms. Harris instructed the group. “You’re the embodiment of American aspiration. So maintain onto that.”

John Ismay contributed reporting.