Their plan called for two MH-6 "Little Birds" to airlift relatively large all-weather navigational beacons to be emplaced at the DZ fifteen minutes prior to H-hour
. Based on a successful rehearsal, Brotchie received approval for the DZ markers to be emplaced by Little Birds flying out of nearby Howard AFB.
The dry interval ratio is estimated by the ratio between the number of h-hour
dry intervals and the total number of h-hour
intervals in month k as follows:
That same day the respective commanding officers of the 2nd and 3rd Army were informed of D-Day: October 6, with H-Hour
set at 1400 Cairo time.
The tension in the room was palpable as "H-Hour
In addition, a short period of daylight before H-hour
would assist in the orderly deployment of landing craft and make the covering coastal bombardment more accurate.
We understand that the EF-111s went in at H-hour
minus 30, followed by Weasels and then by Army Apache attacks of early warning and GCI radars using Hellfire missiles.
Delays in ISR coverage delayed the H-Hour
by sixty minutes, to 0100 hours, July, 10, which gave enough time for the respective liaison teams to be exchanged between the main assault force and the QRF.
was 0730 and the bombardment began at 0510 hours precisely, and ceased on H-hour
as the armada approached.
President Bush ordered the execution of JUST CAUSE the next day, with H-Hour
scheduled for 0100 on December 20, 1989.
" neared, officers gathered around the battle map at 3 Commando's forward HQ.
Brigadier Jim Dutton, commanding officer of 3 Commando Brigade, made a final inspection of the artillery gunline on Bubiyan Island shortly before 'H-Hour
' - the moment at which orders were issued to commence battle.
The formal order issued the next day established H-hour
for the invasion, at 0100 on 20 December.