Upkeep may refer to:
*
Maintenance, repair, and operations
The technical meaning of maintenance involves functional checks, servicing, repairing or replacing of necessary devices, equipment, machinery, building infrastructure and supporting utilities in industrial, business, and residential installat ...
* Upkeep bomb, a
bouncing bomb
A bouncing bomb is a bomb designed to bounce to a target across water in a calculated manner to avoid obstacles such as torpedo nets, and to allow both the bomb's speed on arrival at the target and the timing of its detonation to be predeterm ...
developed in World War II for
Operation Chastise
Operation Chastise, commonly known as the Dambusters Raid, was an attack on Nazi Germany, German dams carried out on the night of 16/17 May 1943 by No. 617 Squadron RAF, 617 Squadron RAF Bomber Command, later called the Dam Busters, using spe ...
{{disambiguation