Korolev cross

Etymology
🇰🇲. From being a procedure created by the chief designer,, which forms a cross-shaped cloud of rocket plumes.

Noun

 * 1) A strap-on booster rocket separation maneuver, where four strap-on boosters are ejected at the same time in four directions 90-degrees/diametrically opposed to each other, forming a cross of exhaust plumes.
 * 2) The cross of exhaust plumes formed by the strap-on separation procedure.

Translations

 * Chinese:
 * Mandarin: 科羅廖夫十字
 * Russian: Крест Королёва