March 24, 2003 Hail of Gunfire and Grenades Forces Apaches to Pull BackBy JIM DWYER N CENTRAL IRAQ, March 24 - With a hail of small arms fire and rocket-propelled grenades, Iraqi forces downed two Apache helicopters today and forced 30 other helicopters in their brigade back to their base. One two-member crew was unaccounted for; the other was rescued. Iraqi state television broadcast images of one downed helicopter, which appeared largely intact, and jubilant men dancing around it. All 32 helicopters sustained some damage, occasionally slight, Army officials said, in what was a significant setback for the allies. Fighting...