Angara A5/Blok DM-03 is an Angara A5 with an improved Blok DM-03 RP-1/LOX upper stage. There are 2 variants for the DM-03: the Persey for launches from the Plesetsk Cosmodrome, and the Orion for launches from the Vostochny Cosmodrome.
Khrunichev State Research and Production Space Center is a Moscow-based producer of spacecraft and space-launch systems, including the Proton and Rokot rockets and is currently developing the Angara rocket family. The Proton launch vehicle launches from Baikonur and Rokot launches from Baikonur and Plesetsk. Angara will launch from Plesetsk and Vostochny.