Answer: atest

AnswerCrossword Clue
ATESTControversial explosion
ATEST'50s nuclear trial
ATESTBikini blast
ATESTBig blast
ATESTBikini activity
ATEST"This is .."
ATEST'50s nuclear blast
ATESTBikini trial
ATESTBoomer experiment?
ATEST'50s nuclear experiment
ATEST'50s headline event
ATEST'50s blast
ATESTOld fallout source
ATESTOperation Crossroads event, 1946
ATESTExplosive experiment
ATESTWhite Sands, N.M. event
ATEST"This is only ...!" (radio message)
ATEST"This is only ..." (part of an old TV message)
ATESTBikini atoll event
ATESTBikini blowout
ATESTBikini blast, for short
ATEST"This is only ...."
ATESTBomb try-out
ATESTBlast from the past?
ATESTEvent in 37D
ATEST"This is only ..."
ATESTAlamogordo event
ATESTBikini event
ATEST"This is ... of the emergency broadcast system ..."
ATESTBikini explosion
ATESTBlast from the past
ATEST"This is only ....."
ATESTNuclear experiment
ATESTBomb experiment
ATEST"This is only .. "
ATESTBlast with fallout
ATEST"This is only .."
ATESTBomb blast, in headlines
ATESTExplosion near Alamogordo
ATESTAlamogordo experiment