He scored a double victory on 5 April, and one each in May and June 1917; the latter was shared with Joseph M. X. de Sévin.
•
There was another lapse in his winning ways, until 23 March 1918, when he once again scored twice; one of his victims that day was Erich Thomas.
Jean-Paul Sartre | Jean-Jacques Rousseau | Jean Cocteau | Jean Genet | Jean-Luc Godard | Wyclef Jean | Jean Racine | Jean Chrétien | Jean Michel Jarre | Jean Paul Gaultier | Jean Nouvel | Jean-Michel Basquiat | Jean Giraud | Jean Sibelius | Jean-Luc Ponty | Jean-Baptiste-Camille Corot | Jean-Claude Van Damme | Jean Renoir | Jean-Pierre Rampal | Jean-Léon Gérôme | Jean Harlow | Jean Anouilh | Billie Jean King | Jean Giraudoux | Jean-Bertrand Aristide | Jean Baudrillard | Jean-Pierre Thiollet | Jean-Martin Charcot | Jean Gabin | Jean de Florette |
Two months later, on 23 March, Lahoulle teamed with Marcel Haegelen and Jean Chaput to shoot down and capture balloon busting ace Erich Thomas in his Albatros D.V; the French trio also downed a second Albatros accompanying Thomas.