411 REFERENCE · Wiktionary
HAHO
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Phrase
phr
en aviation parachuting en high altitude, high opening.
en HALO LALO
411 REFERENCE · Wiktionary
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.