Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Northrop F-5:

"

The VPAF reportedly used 41 F-5s operationally. Others were decommissioned and put on display at museums in Vietnam. The 935th Fighter Regiment of the VPAF 372nd Air Division became the only unit in the world to simultaneously fly both the MiG-21 and F-5.[citation needed] The type was used for combat by the VPAF, in ground–attack sorties against the Khmer Rouge.