The phrase "assumes command" is correct and usable in written English.
It can be used in contexts where someone takes control or leadership of a situation or group.
Example: "When the previous leader stepped down, Sarah quickly assumes command and guides the team through the transition."
Alternatives: "takes charge" or "gains control".
But the show has one ace up its sleeve: Robert Carlyle, who stars as Dr. Nicholas Rush, the renegade scientist who assumes command of the ship.
At times, his intensity verges on overload, as does the dialogue ("This is like my son's heart," Hans says, producing Frantz's violin), and it is Beer's more phlegmatic presence that slowly assumes command.
If so, they say, Mr. Gore may not be able to make serious headway in reversing his fortunes until the Democratic convention, when he assumes command of the party, selects a vice president and delivers an acceptance speech.
After General Campion (Roger Allam) arrives and assumes command, Christopher is sent to convalesce and ultimately returns home, where Sylvia makes a final effort to prevent him from pursuing a future with the willful young suffragist Valentine Wannop (Adelaide Clemens).
The pennant is white in the British Royal Navy, with a St. George's Cross near the hoist, and denotes a warship in commission, being hoisted when the captain assumes command.
Simmons, an accomplished writer of horror and sci-fi, is predictably adroit in his deployment of terror, but the greatest pleasure of the novel lies in the sharp and sympathetic portrayals of Captain Francis Crozier, who assumes command of the expedition after Franklin's death, and Dr. Harry Goodsir, the mild yet determined ship's physician.
Prior to assuming command, he served from June 2006 to March 2008 as commander, Special Operations Command Europe (SOCEUR).
He assumed command in 1943 as a Second Lieutenant USAAF assigned to the Pacific Command in the Philippines.
The first commander was Major General William Bridges, who also assumed command of the 1st Division.
Major General Curtis LeMay assumed command of XX Bomber Command on 29 August after Arnold relieved its first commander.
Brigadier Hicks assumed command of the division while Colonel Hilaro Barlow replaced Hicks as brigade commander.
