Retired· McDonnell Douglas

Delta II 7425-9.5

Delta II was an expendable launch system, originally designed and built by McDonnell Douglas. Delta II was part of the Delta rocket family and entered service in 1989.

Follow Delta II in the app

Launches

since Dec 1998

Success rate

100%

3 of 3 successful

In a row

successful launches

Launches per Year

Full year2026 so far

Specifications

Height: 39 m
Diameter: 2.44 m
Liftoff mass: 170 t
Liftoff thrust: 3,020 kN
Stages: 4
First flight: December 11, 1998
Manufacturer: McDonnell Douglas

Next Launches

No Upcoming Launches

No launch is scheduled for this vehicle right now.

Space Launch Now for iOS and Android

Follow Delta II and get a notification before each of its launches.

See what's in the app

Scan to open on your phone

[data-page-skeleton]{display:none}body{display:flex;flex-direction:column}body>footer{order:2}body>main{padding-bottom:0}body:has(>div[hidden][id^="S:"]>[data-data-unavailable]) header[data-site-header]{background:var(--canvas);border-color:var(--rule);color:var(--ink)}body:has(>div[hidden][id^="S:"]>[data-data-unavailable]) [data-header-scrim]{display:none}body>div[hidden][id^="S:"]>[data-data-unavailable]{max-width:calc(var(--container-content) + 2 * var(--s-5));padding:var(--s-9) var(--s-5) 0}body>div[hidden][id^="S:"]:last-of-type{padding-bottom:var(--s-9)}body:has(>div[id^="S:"] [data-app-promo])>div[hidden][id^="S:"]:last-of-type{padding-bottom:0}@layer base{body>div[hidden][id^="S:"]{display:block!important;order:1}}