YOU SAID:

The usefulness of UAVs for aerial reconnaissance was demonstrated to the United States in the Vietnam War. At the same time, early steps were being taken to use them in active combat at sea and on land, but unmanned combat aerial vehicles would not come into their own until the 1980s.

INTO JAPANESE

ベトナム戦争で、米国はUAVの空中偵察における有用性を実証しました。同時に、海上および陸上での実戦でUAVを使用するための初期段階の措置が取られていましたが、無人戦闘機が本格的に実用化されるのは1980年代になってからでした。

BACK INTO ENGLISH

During the Vietnam War, the US demonstrated the usefulness of UAVs for aerial reconnaissance, and while early steps were being taken to employ them in combat at sea and on land, it was not until the 1980s that unmanned combat aircraft became commercially viable.

INTO JAPANESE

ベトナム戦争中、米国は空中偵察におけるUAVの有用性を実証し、海上および陸上での戦闘にUAVを導入する初期段階の措置が取られていたものの、無人戦闘機が商業的に実現可能になったのは1980年代になってからであった。

BACK INTO ENGLISH

Although the United States demonstrated the utility of UAVs in aerial reconnaissance during the Vietnam War and early steps were taken to introduce UAVs into naval and land combat, it was not until the 1980s that unmanned combat aircraft became commercially viable.

INTO JAPANESE

米国はベトナム戦争中に空中偵察における無人機の有用性を実証し、海軍および陸上戦闘に無人機を導入する初期段階の措置を講じたものの、無人戦闘機が商業的に実現可能になったのは 1980 年代になってからでした。

BACK INTO ENGLISH

Although the United States demonstrated the utility of drones in aerial reconnaissance during the Vietnam War and took early steps to introduce drones into naval and land combat, it was not until the 1980s that unmanned combat aircraft became commercially viable.

INTO JAPANESE

米国はベトナム戦争中に空中偵察におけるドローンの有用性を実証し、海軍や陸上戦闘にドローンを導入する早い段階から措置を講じていたが、無人戦闘機が商業的に実現可能になったのは1980年代に入ってからだった。

BACK INTO ENGLISH

Although the United States demonstrated the utility of drones for aerial reconnaissance during the Vietnam War and took early steps to introduce them into naval and land combat, it was not until the 1980s that unmanned combat aircraft became commercially viable.

INTO JAPANESE

米国はベトナム戦争中に空中偵察におけるドローンの有用性を実証し、海軍および陸上戦闘にドローンを導入する早い段階から措置を講じていたが、無人戦闘機が商業的に実現可能になったのは1980年代に入ってからだった。

BACK INTO ENGLISH

Although the United States demonstrated the utility of drones for aerial reconnaissance during the Vietnam War and took early steps to introduce them into naval and land combat, it was not until the 1980s that unmanned combat aircraft became commercially viable.