Common Loon

Common Loon.

This photo is public domain.

Roger Peckinpaugh, New York AL

Roger Peckinpaugh, New York AL (1918).

This photo is public domain.

Mount St. Helens

August 7, 1980, eruption of Mount St. Helens, with emerging plume.

This photo is public domain.

MK 36

A MK 36 super rapid blooming off board countermeasures (RBOC) chaff and decoy is launched from the guided-missile cruiser USS Lake Champlain (CG 57).

This US Navy photo is public domain.

Space Shuttle Discovery

Space Shuttle Discovery.

This NASA photo is public domain.

Famille Crouzats.

This photo is public domain.

31st Marine Expeditionary Unit (31st MEU)

Marines assigned to the 31st Marine Expeditionary Unit (31st MEU) embarked aboard the amphibious assault ship USS Essex (LHD 2) board a CH-53E Sea Stallion helicopter during a Talisman Saber 2009 exercise.

This photo is public domain.