Delta (original) (raw)
Delta-B (TIROS 8) [NASA]
(similar: Delta, -A, -C, -C1)
Delta-D (Syncom 3) [NASA]
Delta-G (Bios 1) [NASA]
(similar: Delta-E, -E1, -J)
Delta-M (NATO 2) [NASA]
(similar: Delta-L, -N, -300)
Delta-N6 [MDD]
(similar: Delta-M6)
Delta-900 (ERTS 1) [NASA]
Delta-1604 (Explorer 50) [NASA]
Delta-1900 (Explorer 51) [NASA]
Delta-1410 (GEOS 3) [NASA]
Delta-2310 (SME) [NASA]
(similar: Delta-2313)
Delta-1910 (OSO 8) [NASA]
(similar: Delta-1913, -1914, ,-2910, -2913, -2914)
Delta-3924 (Satcom 1R) [USAF]
(similar: Delta-3910, -3913, -3914, 3910 PAM-D, 3920, 3920 PAM-D, 4925, 5920)
Delta-6920-8 (LACE, RME) [USAF]
(similar: Delta-6925)
Delta-7326 (IMAGE) [NASA]
(similar: Delta-7320, -7325)
Delta-7420-10C (Globalstar M005 - 8) [Boeing]
(similar: Delta-7425, -7426)
Delta-7920-10C (GP B) [Boeing]
(similar: Delta-7925)

Delta-7925H (MER-B) [NASA]
(similar: Delta-7920H)

Delta-8930 (Orion 3) [Boeing]
The modern Delta launch vehicles are designated by a 4-digit designation system, which contains information on the cofiguration of the stages, strap-ons and upper-stages:
1. Digit = Type of core and strap-on motors
0 = Long Tank, MB-3 engine, Castor-2 motors
1 = Extended Long Tank, MB-3-III engine, Castor-2 motors
2 = Extended Long Tank, RS-27 engine, Castor-2 motors
3 = Extended Long Tank, RS-27 engine, Castor-4 motors
4 = Extended Long Tank, MB-3-III engine, Castor-4A motors
5 = Extended Long Tank, RS-27 engine, Castor-4A motors
6 = Extra Extended Long Tank, RS-27 engine, Castor-4A motors
7 = Extra Extended Long Tank, RS-27A engine, GEM-40 motors *
8 = Delta-3 Tank, RS-27A engine, GEM-46 motors
* 7xxxH version uses GEM-46 motors
→ all Thor based launches
2. Digit = Number of strap-ons around core
0, 3, 4, 6 or 9 can be used
3. Digit = Type of second stage
0 - AJ10-118F
1 - TR-201
2 - AJ10-118K
3 - RL10B-2
4. Digit = Type of third stage
0 = no upper stage
1 = Star-24
2 = FW-4D
3 = Star-37D
4 = Star-37E
5 = PAM-D /Star-48B
6 = Star-37FM