Most of the U.S. still wore the look of business-as-usual, but underneath, muscles were beginning to ripple.

The Pentagon began tapping the nation's pool of 2,500,000 National Guardsmen and military reserves.

The Army:

¶Summoned some of its organized Reserves to active duty on an individual rather than unit basis.

¶Sent out the first calls for National Guardsmen. Surprisingly, in view of the urgency of the situation, it called up none of the 27 Guard divisions. The first calls were confined to such non-divisional Guard outfits as signal, ordnance and supply units.

¶Alerted "several" combat...

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