Fred Willard passed away 14 days before the Netflix premiere of this series. He plays the father of Steve Carell's character in this episode, which is dedicated to him.
The numbers used on the keypad to get into the secret base spell out "SPACE" (77223).
When Gen. Naird explains how he had to escape capture by Serbian ground forces after he'd been forced to bail out of his F-16, it's a reference to the actual real-life experience of Lt. Col David Goldfein who survived just such an ordeal in the 1999 Serbian war when his squadron-leading plane was downed by a missile. Some 20 years later, Goldfein became the Air Force's chief of staff.
Chris Gethard, who plays Eddie, also appeared on The Office (2005-2013) as Trevor.