"under operation" can be used in written English and it is grammatically correct.
Example: The factory has been under operation for more than 20 years.
In linked investigations; 16 people have been arrested under Operation Weeting and one person arrested under Operation Tuleta".
Worldwide more than 5000 MBR plants are under operation.
So far 22 people have been held under Operation Weeting, with two people released without charge.
The federal government's asylum seeker policies have fallen broadly under Operation Sovereign Borders.
This is not a re-investigation and does not come under Operation Paget".
And so, under "Operation Paperclip," the Army rounded up the prize booty of the war Dr.
In January, Dutton announced that customs ships operating under Operation Sovereign Borders had turned back 15 boats carrying 429 asylum seekers in its first year of operation.
Mr Teran was treated under Operation Miracle.
"This is the eighth arrest under Operation Elveden.
On Tuesday afternoon, a British Airways flight from Lagos, Nigeria, was among three arrivals at Heathrow targeted under Operation Limelight.
Under Operation Nomad, South Australian police have identified 278 "persons of interest", of whom 33 are considered high risk.
