What does LESC stand for?

Launch Escape System Control - NASA (KSC)

Leschago - Common carrier symbol

Lesser Scaup - Common English name - Scientific name: Aythya Affinis - American Ornithologists Union four-character bird identification (IBP)

LE - Lupus Erythematosus Support Club (EA)

Liberty Equipment and Supply Company (SAUO)

Life and Environmental Sciences Committee (SAUO)

Light-Emitting Switch Control - Electronics (OA)

Lockheed Electronic Systems Company (SPST)

Lockheed Engineering & Sciences Co. (SAUS)

Lunar-Environment Sample Container - Apollo - NASA