The phrase "about the defection of" is correct and usable in written English.
It can be used when discussing or referring to the act of someone abandoning a cause, country, or organization, typically in a political or military context.
Example: "The article provides an in-depth analysis about the defection of several key officials from the regime."
Alternatives: "regarding the defection of" or "concerning the defection of".
Mr Obama worries about the defection of conservative Democrats in battleground states.
We talk about the defection of Roche (who declined my interview requests).
An article last Sunday about the defection of a high-ranking Syrian military officer misstated his responsibilities before his defection.
Rebel enthusiasm about the defection of the prime minister Riyad Hijab, has been short lived, Martin says.
That there are problems with approach is self-evident: Bank Of America has 58 million customers, whereas the campaigns were cheering about the defection of hundreds of thousands.
Speaking about the defection of Adrian Chiles and Christine Bleakley to ITV, Hunt said she had had "extensive talks" with Chiles.
Due to a seating vacancy, brought about by the defection of some of my companions to the Captain's table, I found myself obliged to entertain the busty young receptionist.
"It's likely he had an explosion of character," says a weary Alexander Pushkin Ralph Fienness, who also directed), during an interrogation about the defection to the west of his former student, Rudolf Nureyev (played by Ukrainian-born dancer Oleg Ivenko).
But the C.I.A. had known about that entity ever since the defection of a key Russian scientist in 1992.
Such a development would complicate President Bush's life considerably, probably cementing the Democrats' tenuous hold on the Senate, which was brought about by the defection, last year, of Jim Jeffords, of Vermont, from the Republican Party.
Until the defection of Mr LeBow, their posture has been one of absolute denial, coupled with a vain attempt to conceal the facts about smoking's dangers.
