A suspicious package that prompted evacuations at a gate closure at Naval Submarine Base New London (SUBASE) Monday afternoon was determined not to be a threat, officials said.
Officials said the package was found inside a vehicle near the base Pass and ID office around 2 p.m.
The main gate was closed down and activities along Crystal Lake Road, including the USS Nautilus Submarine Force Library Museum, were evacuated while emergency crews investigated.
NCIS, SUBASE security, the fire department, Navy explosive ordinance specialists, and state hazardous material specialists all responded.
The package was determined not to be a threat.
Groton Town Police are questioning the vehicle's driver.
No other details were immediately available.
This is a developing story. Check back for updates.