Book by Gustav Hasford describing his experiences in the Vietnam War.
Later made into a movie by Stanley Kubrick, Full Metal Jacket, starring Matthew Modine, R. Lee Ermey and others.
The Short Timers is the book that the movie Full Metal Jacket is based on.
When a person gets promoted and has to stay in their current position for a week or two.
Mike's got Short Timers man! He took vacation for the last 4 days in his current position!