Editing Patrol Craft Fast (section)

===Vietnam People's Navy service===
The [[Vietnam People's Navy]] managed to capture 107 of [[Republic of Vietnam Navy]] PCFs after the [[Fall of Saigon]] in 1975. The PCFs were quickly used in VPN operations at [[Thổ Chu]] and other islands to repel the invasion of the [[Khmer Rouge]].<ref>{{cite web | url=https://infonet.vietnamnet.vn/hai-chien-voi-pol-pot-tren-dao-tho-chu-chuyen-bay-gio-moi-ke-146990.html | title=Chuyên trang Infonet Báo VietnamNet }}</ref> The Swift Boats are still active in the Vietnam People's Navy.<ref name = "soha">{{cite web|archive-url=https://web.archive.org/web/20140620100829/http://soha.vn/quan-su/kham-pha-vu-khi-moi-tren-tau-pcf-vn-sau-nang-cap-20140617211242499.htm |archive-date=2014-06-20 |date=2014-06-18|url=http://soha.vn/quan-su/kham-pha-vu-khi-moi-tren-tau-pcf-vn-sau-nang-cap-20140617211242499.htm|title=Khám phá vũ khí mới trên tàu PCF VN sau nâng cấp|language=Vietnamese|publisher=Soha |url-status=live}}</ref><ref>{{cite web | url=https://soha.vn/quan-su/gia-sung-da-nang-tren-tau-pcf-20151106203248191.htm | title=Giá súng đa năng trên tàu PCF | date=6 November 2015 }}</ref>

The M2 machine gun was replaced by a domestically produced 12.7&nbsp;mm NSV gun, which had fewer jamming problems and was easier for the crews to maintain.<ref name = "soha"/> The electronic and communication systems were also overhauled.<ref name = "soha"/> Some PCFs captured have a DsHK HMG and an AGS-17 AGL mounted on top.<ref name="Soha2"/>