=====Development Index=====

**DI-1  Primitive**: people live in hunter-gatherer bands using stone tools.

**DI-2  Pre-Industrial:** people live in farming communities and cities. They use metal tools, but do not have mass production.  Equivalent to Earth from 4000 BC to 1800 AD.

**DI-3 Basic Industrial**: population is more urbanized with mass production, railroads, telegraphy.  Equivalent to Earth 19th century.

**DI-4 Developed Industrial**: massive urbanization, aircraft, automobiles, rocketry.  Equivalent to Earth 20th century.

**DI-5 Advanced Industrial**: sophisticated computers, advanced, reusable rocketry, in-system space travel. Equivalent to Earth 21st century.

**DI-6 Early Warp**  Space Drive 1, Anti-matter power.  22nd century equivalent.

**DI-7 NEL Standard:**  Space Drive 2, 25th century, developed worlds of the NEL

**DI-8 NEL Advanced:** Space Drive 3, 25th century, best progress on Earth. Standard Development level of the PGU

**DI-9 Ultra-Tech:** Space Drive 4+, cutting edge of Earth secret research and some alien worlds

**DI-10 Ancient Relic**:  super weird stuff, found in ancient ruins of immense antiquity from long before the PGU