| operation | Gang |
| Operation Achilles | Operation Achilles |
| Operation Active Endeavour | Operation Active Endeavour |
| operation agreement | Betriebsvereinbarung |
| Operation Albion | Unternehmen Albion |
| Operation Alsos | ALSOS |
| Operation Anaconda | Operation Anaconda |
| Operation Anadyr | Operation Anadyr |
| operation and display system | Bedien- und Anzeigesystem |
| operation and display systems | Bedien- und Anzeigesysteme |
| operation and maintenance | Bedienung und Wartung |
| operation and maintenance subsystem | Betriebs- und Wartungs-Subsystem |
| Operation Anvil | Operation Anvil |
| Operation Aqueduct | Operation Aqueduct |
| Operation Arbor | Operation Arbor |
| Operation Argus | Operation Argus |
| operation aspects | betriebliche Gesichtspunkte |
| Operation August Storm | Operation Auguststurm |
| operation authorisation | Betriebsbewilligung |
| Operation Bagration | Operation Bagration |
| Operation Barbarossa | Unternehmen Barbarossa |
| Operation Bedrock | Operation Bedrock |
| Operation Bernhard | Aktion Bernhard |
| Operation Bikini | Sprengkommando Ledernacken |
| Operation Biting | Operation Biting |
| Operation Bottleneck | Brennpunkt Burma |
| Operation Bowline | Operation Bowline |
| operation building | Betriebsgebäude |
| Operation Burma | Der Held von Burma |
| Operation Buster-Jangle | Operation Buster-Jangle |
| Operation Castle | Operation Castle |
| operation center | Betriebszentrum |
| Operation Cerberus | Unternehmen Cerberus |
| Operation Chaos | Operation Chaos |
| operation characteristic curve | Annahmekennlinie |
| Operation Charioteer | Operation Charioteer |
| Operation Chastise | Operation Chastise |
| Operation Cobra | Operation Cobra |
| operation code | Befehlscode |
| Operation Colombo | Operación Colombo |
| Operation Compass | Operation Compass |
| operation concession | Betriebskonzession |
| Operation Condor | Operation Condor |
| Operation Condor 2: The Armour of the Gods | Der rechte Arm der Götter |
| operation control | Operationssteuerung |
| Operation Cornerstone | Operation Cornerstone |
| Operation Cresset | Operation Cresset |
| Operation Crossbow | Geheimaktion Crossbow |
| Operation Crossroads | Operation Crossroads |
| Operation Crosstie | Operation Crosstie |
| Operation Crusader | Operation Crusader |
| operation cycle | Befehlszyklus |
| operation cycle time | Befehlszykluszeit |
| Operation Daybreak | Das Sonderkommando |
| Operation Days of Penitence | Tage der Buße |
| operation depending stress | betriebsbedingte Beanspruchung |
| operation description | Arbeitsgangbeschreibung |
| Operation Disaster | Die letzten Vier |
| operation display | Betriebsanzeige |
| operation displays | Betriebsanzeigen |
| Operation Dominic | Operation Dominic |
| Operation Dominic I and II | Operation Dominic |
| Operation Dominic II | Operation Dominic II |
| Operation Double 007 | Operation 'Kleiner Bruder' |
| Operation Downfall | Operation Downfall |
| Operation Dragon | Der Mann mit der Todeskralle |
| Operation Dragoon | Operation Dragoon |
| Operation Dynamo | Operation Dynamo |
| Operation Eagle | Mission Adler - Der starke Arm der Götter |
| Operation Eagle Claw | Operation Eagle Claw |
| Operation Earnest Will | Operation Earnest Will |
| Operation Edelweiss | Operation Edelweiß |
| Operation Eichmann | Jagd auf Eichmann |
| Operation Emery | Operation Emery |
| Operation Enduring Freedom | Operation Enduring Freedom |
| Operation Entebbe | Operation Entebbe |
| Operation Felix | Unternehmen Felix |
| Operation Fire | Top Missile |
| Operation Flash | Militäroperation Bljesak |
| Operation Flintlock | Operation Flintlock |
| operation flow chart | Arbeitsflussdiagramm |
| Operation Forager | Schlacht um die Marianen-Inseln |
| Operation Fortitude | Operation Fortitude |
| Operation Frequent Wind | Operation Frequent Wind |
| Operation Frühlingserwachen | Plattenseeoffensive |
| Operation Fulcrum | Operation Fulcrum |
| Operation Fusileer | Operation Fusileer |
| Operation Galaxia | Operación Galaxia |
| Operation Gladio | Gladio |
| Operation Grapes of Wrath | Operation Früchte des Zorns |
| Operation Greenhouse | Operation Greenhouse |
| Operation Greif | Unternehmen Greif |
| Operation Grenadier | Operation Grenadier |
| Operation Grommet | Operation Grommet |
| Operation Guardian | Operation Guardian |
| Operation Hannibal | Operation Hannibal |
| Operation Hardtack | Operation Hardtack |
| Operation Harpoon | Operationen Vigorous und Harpoon |
| Operation Herkules | Unternehmen Herkules |
| Operation Highjump | Operation Highjump |
| Operation Himmler | Sender Gleiwitz |
| Operation Hurricane: Friday Noon | Schüsse aus dem Geigenkasten |
| operation indicator lamp | Betriebsanzeigelampe |
| operation instructions | Betriebsanweisung |
| Operation Ivy | Operation Ivy |
| Operation Julin | Operation Julin |
| Operation Kid Brother | Operation 'Kleiner Bruder' |
| Operation Kutuzov | Orjoler Operation |
| Operation Latchkey | Operation Latchkey |
| operation life | Lebensdauer |
| Operation Linebacker | Operation Linebacker |
| Operation Linebacker II | Operation Linebacker II |
| Operation Lüttich | Unternehmen Lüttich |
| Operation Mad Ball | Selten so gelacht |
| Operation Magic Carpet | Operation Magic Carpet |
