firstOperationalUse

P13819
predicate

Indicates the point in time or context when something is used operationally for the very first time.

Try in SPARQL

All labels observed (12)

Label Occurrences
firstOperationalUse canonical 24
firstOperational 5
firstUsedOnMission 3

Description generation (PDg)

The one-sentence description above was generated by prompting gpt-5.1 with the predicate name and this instruction.

Instruction
Given a predicate that represents a relationship or action between entities, generate a one-sentence description explaining its meaning.  
# Instructions
Focus on describing the relationship, not the entities themselves. 
# Response Format
Begin the description with \' Indicates...\'
Input
Predicate: firstOperationalUse
Generated description
Indicates the point in time or context when something is used operationally for the very first time.

Sample triples (44)

Subject Object
V-1 flying bomb 1944 ⓘ
Focke-Wulf Fw 190 Eastern Front ⓘ
Focke-Wulf Fw 190 Western Front ⓘ
Knickebein
linked to: Knickebein radio navigation system
1940 ⓘ
X-10 graphite reactor 1943-11 via predicate surface "firstFullPowerOperationDate" ⓘ
NASA Docking System
linked to: NASA Docking System (Crew Dragon)
SpaceX Crew Dragon Demo-2 mission ⓘ
linked to: Crew Dragon Demo-2
doodlebug 1944 ⓘ
Short Stirling 1941 via predicate surface "firstOperationalUseYear" ⓘ
Gee navigation system 1942 ⓘ
IAS machine 1951 via predicate surface "firstOperational" ⓘ
EDVAC 1951 via predicate surface "firstOperationalDate" ⓘ
Tallboy bomb June 1944 ⓘ
Grand Slam bomb 14 March 1945 via predicate surface "firstOperationalUseDate" ⓘ
Manned Maneuvering Unit STS-41-B via predicate surface "firstUsedOnMission" ⓘ
linked to: STS-41B
Multics 1965 via predicate surface "firstOperational" ⓘ
SRMS Space Shuttle program via predicate surface "firstOperationalUseProgram" ⓘ
linked to: NASA Space Shuttle program
S2W nuclear reactor mid-1950s via predicate surface "firstOperationalUseApproximate" ⓘ
Fritz X
linked to: Fritz X guided bomb
August 1943 ⓘ
Commercial Resupply Services
linked to: Commercial Resupply Services (CRS)
2012 via predicate surface "firstOperationalMissionYear" ⓘ
Iron Dome
linked to: Iron Dome air defense system
Israel via predicate surface "firstOperationalUseLocation" ⓘ
SpaceX Cargo Dragon Commercial Resupply Services 2 ⓘ
linked to: Commercial Resupply Services (CRS)
Colossus computers 1944-02 via predicate surface "firstOperationalDate" ⓘ
Portable Life Support System Apollo 11 via predicate surface "firstUsedOnMission" ⓘ
Armstrong Whitworth Whitley 1939 ⓘ
Bristol F.2 Fighter
linked to: Brisfit
1917-04 ⓘ
GEE 1942 ⓘ
sky crane maneuver 2012-08-06 via predicate surface "firstOperationalUseDate" ⓘ
Williams tube 1948 ⓘ
Mark I tank Battle of the Somme ⓘ
Mark I tank 1916 via predicate surface "firstOperationalUseYear" ⓘ
Martin-Baker ejection seats late 1940s ⓘ
Dome Fuji Station 1995–1996 austral summer via predicate surface "firstOperationalSeason" ⓘ
CTSS 1961 ⓘ
CTSS
linked to: CTSS time-sharing system
1961 ⓘ
Multiplexed Information and Computing Service 1965 via predicate surface "firstOperational" ⓘ
CADPAT early 2000s ⓘ
Aegis Combat System
linked to: Aegis
1983 ⓘ
Zenit reconnaissance satellites early 1960s ⓘ
CE-20 GSLV Mk III / LVM3 missions ⓘ
linked to: GSLV Mk III / LVM3
Orbital Maneuvering System
linked to: OMS
STS-1 via predicate surface "firstUsedOnMission" ⓘ
DORIS
linked to: Doppler Orbitography and Radiopositioning Integrated by Satellite
TOPEX/Poseidon mission ⓘ
linked to: TOPEX/Poseidon
Sikorsky R-4 1944 ⓘ
Bombe 1940 via predicate surface "firstOperational" ⓘ
EDSAC 2 1958 via predicate surface "firstOperational" ⓘ