A Rule Follower, One That Does What They're Told

This page is the CodyCross answer for the clue below from Space Exploration, Group 903, Puzzle 2 (Rocket Launch).

Question is: A Rule Follower, One That Does What They're Told

and the answer is: OBEDIENT

Word Meaning:

OBEDIENT — Willing to comply with the commands, orders, or instructions of those in authority; biddable.

Definitions from Wiktionary.