Here's a better transcription of the lyrics that John Denver sang. Gargoyle's version left out 4 lines. Furthermore, if you listen to the melody, you'll see that it's 3 verses of 8 lines, not 6 verses of 4 lines.

WHAT A FRIEND WE HAVE IN CONGRESS
(as sung by John Denver)

What a friend we have in Congress,
Who will guard our every shore,
Spends three quarters of our taxes
Getting ready for a war.
Guns must make our coastline bristle,
And we need to fill the sky
Full of planes and guided missiles.
They'll be paid for by and by.

Have you noticed all the progress
In our mighty airborne fleet?
By the time a plane's adopted,
It's already obsolete.
There's no factory profit, brothers,
And we have to do or die.
One improvement then another,
They'll be paid for by and by.

Modern bombs are sure to carry
Loads of glory, joy and thrills.
What a privilege to bury
All the dead our money kills!
Never mind the widow's weeping.
Disregard the orphan's cry.
When God wakes the dead and sleeping,
They'll be paid for by and by.