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D

Delta

DELL-tah

NATO code word for the letter D

Quick Facts

Pronunciation

DELL-tah

Morse Code

−··

Signal Flag

Maritime D

Visual Signals

Maritime Signal Flag

Delta maritime flag

International maritime signal flag for D. Used in naval communications and ship-to-ship signaling.

Semaphore Position

Delta semaphore signal

Semaphore flag position for D. Used for visual flag signaling over short distances.

About Delta

Delta is the NATO code word for D, derived from the Greek letter, used globally in communications.

Why "Delta"?

Named after the Greek letter Δ (delta), which resembles a triangle.

Real-World Usage

  • 1

    Aviation: "Delta Airlines flight 123, maintain altitude"

  • 2

    Military: "Delta Force on standby"

  • 3

    Amateur Radio: "Delta-Echo-5-Zulu, do you copy?"

💡 Memory Trick

River delta (Δ shape) starts with D

❌ Common Mistakes

Don't confuse Delta with:

  • David
  • Dog
  • Diana
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