This is an automated archive made by the Lemmit Bot.

The original was posted on /r/todayilearned by /u/lookslikeyoureSOL on 2025-05-08 22:25:22+00:00.

Original Title: TIL all USPS (United States Postal Service) Mail Trucks were designed and manufactured by Grumman Aerospace Corp (now Northrop-Grumman, designer of the A-10 Warthog and B-2 Spirit bomber) up until 1994.