The phrase "achieved surprise" is correct and usable in written English.
It can be used when describing a situation where someone successfully creates a sense of astonishment or unexpectedness.
Example: "The magician achieved surprise with his final trick, leaving the audience in awe."
Alternatives: "elicited surprise" or "created astonishment".
The Germans achieved surprise without delivering shock.
When the amphibious landings took place on November 8 , 1942 the Americans had achieved surprise too fully, throwing their friends and helpers into confusion.
Indeed, the Japanese commander of the Pearl Harbor attack, Mitsuo Fuchida, surprised at having achieved surprise, asked, "Had these Americans never heard of Port Arthur?" (the event preceding the Russo-Japanese War of 1904 and famous in Japan when the Japanese navy destroyed the Russian Pacific fleet at anchor in Port Arthur in a surprise attack).
These aircraft achieved surprise, and Tirpitz was not obscured by smoke when they arrived over Kaafjord.
During the first phase of the operation the Germans achieved surprise.
The raid achieved surprise, and the British aircraft met little opposition.
At one extreme is utter simplicity: you exalt the familiar with the best possible ingredients, achieving surprise through sheer quality.
In addition, the DPRK knew that combined ROK-U.S. surveillance capabilities would prevent it from achieving surprise, so Lee was reassured that no direct military provocation was imminent.
A British assault at Cambrai was among the first to successfully combine radical new tactics -- "silent" artillery preparation to achieve surprise, infiltration and massed tanks to achieve a breakthrough -- that point the way to eventual victory in 1918 and, a generation later, to blitzkrieg.
Alex Fishman, a military affairs analyst at the newspaper Yediot Aharonot, wrote, "The Iranians ought to be worried by Israel's ability to deceive and achieve surprise at such a vast distance from home — if it was Israel that carried out the attack".
The ability to attack fixed targets such as the Panama Canal or Pearl Harbor, and to achieve surprise in doing so, had been amply demonstrated in naval exercises as well as in battle, but finding, reporting, and closing on ships at sea was a greater challenge.
