Blok D (Russian: Блок Д meaning Block D) is an upper stage used on Soviet and later Russian expendable launch systems, including the N1, Proton-K and...

Blok may refer to: Blok (surname) Blok (comics), the fictional superhero of the DC Comics universe Blok M, downtown shopping area in Jakarta, Indonesia...

booster. A fourth stage, the Blok G, would push the L3 (LOK+LK) toward the Moon, with the Blok D as a fifth stage. The Blok D engine would also slow the...

simplest, Blok D, was used for interplanetary missions. Blok D had no guidance module, depending on the probe to control flight. Three different Blok DM versions...

orbit. Blok D upper stages were used on forty flights, the majority of which were for the Luna and Zond programmes. Ten flights used the Blok D-1, mostly...

launch of a Resurs satellite from Plesetsk ended disastrously when the Blok D strap-on LOX turbopump disintegrated at T+6 seconds due to ingested debris...

probes were identical robotic spacecraft launched by Proton-K rockets with a Blok D upper stage, each consisting of an orbiter and an attached lander. After...

1982. Blok M central market and bus terminal, which contains the Blok M mall Blok A and Blok M BCA stations of the Jakarta MRT Residence of D.I. Pandjaitan...

is the 4MV. They were launched by a Proton-K heavy launch vehicle with a Blok D upper stage. The lander of Mars 2 became the first human-made object to...

and the Space Race, 1945–1974 — Volume 4408 of NASA-SP (PDF). Washington, D.C.: U.S. Government Printing Office. ISBN 978-0160613050. Other online sources...