SAR HUB In February 2020, the IMRF launched the SAR HUB: an exclusive e-newsletter for all IMRF members that includes news, features and events from the IMRF and the search and rescue community. Join the IMRF today to receive this exclusive members only newsletter. Part of our June 2022 SAR HUB newsletter Prior to the SAR HUB, the IMRF had its LIFE LINE Newsletter. If you are interested, click here to read more of our LIFE LINE newsletters.