There are times when a machine gun is worth a battalion of infantry.
Yet one bullet is enough to kill a man.

A marine fell at Dave's feet.

The young ensign bent over him; one look was enough to prove that this defender of his countrymen was dead.
As the fire from the machine gun ceased, a wild cheer rose on the air.

Now, from four different points groups of Mexicans rose and charged, firing as they ran.
One desperate dash, and they would overwhelm the crippled little Navy party.
Defeat for Dave Darrin's command meant the massacre of all the survivors of his rescue party, and of the American men and women in their care! Ensign Dave Darrin realized this with a sickening heart..